×

Welcome to the Slashdot Beta site -- learn more here. Use the link in the footer or click here to return to the Classic version of Slashdot.

Thank you!

Before you choose to head back to the Classic look of the site, we'd appreciate it if you share your thoughts on the Beta; your feedback is what drives our ongoing development.

Beta is different and we value you taking the time to try it out. Please take a look at the changes we've made in Beta and  learn more about it. Thanks for reading, and for making the site better!

Microfluidic Chips Made With Shrinky Dinks

kdawson posted more than 6 years ago | from the improvising-science dept.

Toys 149

SoyChemist writes "When she started her job as a new professor at UC Merced, Michelle Khine was stuck without a clean room or semiconductor fabrication equipment, so she went MacGyver and started making Lab-on-a-Chip devices in her kitchen with Shrinky Dinks, a laser printer, and a toaster oven. She would print a negative image of the channels onto the polystyrene sheets and then shrink them with heat. The miniaturized pattern served as a perfect mold for forming rounded, narrow channels in PDMS — a clear, synthetic rubber."

cancel ×
This is a preview of your comment

No Comment Title Entered

Anonymous Coward 1 minute ago

No Comment Entered

149 comments

Sometimes (4, Funny)

$RANDOMLUSER (804576) | more than 6 years ago | (#21576973)

I get a Shrinky Dink when I go swimming :-(

Re:Sometimes (3, Insightful)

gt_mattex (1016103) | more than 6 years ago | (#21577169)

This gets modded funny? This professor, who also happens to be a woman, makes semi-conductors in her kitchen and all she gets is penis jokes? What she did was brilliant. How about a little appreciation of her ingenuity. I can feel the karma burn already.

Re:Sometimes people get butt-hurt. (5, Insightful)

Anonymous Coward | more than 6 years ago | (#21577319)

Oh come on... it's first post. At least it wasn't a soviet russia joke or something about women professor overlords.

Anyone who knows anything about /. knows the insightful posts always come in the 3-5 position... they take longer.

Women can laugh at penis jokes too, ya know.

Misogyny it aint.

Re:Sometimes people get butt-hurt. (0)

Anonymous Coward | more than 6 years ago | (#21577477)

In Soviet Russia, dinks shrink you?

END MODERATOR ABUSE (-1, Offtopic)

Taco Meat (1104291) | more than 6 years ago | (#21578321)

I have again been the victim of moderator abuse http://slashdot.org/comments.pl?sid=366293&cid=21424075 [slashdot.org] . MOD me up to correct this injustice.

Too many moderators use Insightful as "I agree". Too many moderators fall for unoriginal groupthink and mod it up. People complain about trolls, but the REAL line noise on slashdot comes from the posts modded +4 or +5 that contribute NOTHING to an intelligent discussion. You can't filter that out, and even if you have your thresholds set high, you still see all the stupid stuff that you've already seen. That's why digg sucks and will never be anything but a place for 1338 high-skool haxx0rs. And it's happening here. So I used this account to call shenanigans on sucky posts. I getted modded into oblivion for pointing out truth. I guess that's how it goes. Most of you are a bunch of mindless sheeple.

One way to fix this: I think Slashdot should give IQ tests to all would-be moderators. That would ensure most of the ramshackle pseudo-intellectuals who get mod points would be replaced by people who can actually read the moderator guidelines and adhere to them.

Karma Burn (5, Informative)

NeutronCowboy (896098) | more than 6 years ago | (#21579669)

Just for kicks, I clicked through your posts, all the way back to what started this. For this, I had to wade through 2 additional "I was unfairly modded down" posts before I got to the post you thought was modded unfairly. All I can say is... you deserved every last one of your troll ratings.

To wit:
1) There was no information of any kind in that initial post. Unless you count "You're stupid!" as informational.
2) It led off with a spelling correction. Spelling corrections, especially when used in the context of determining IQ, are karma killers. With good reason - they contribute nothing and are designed to insult.
3) You invoked group-think. Accusing nerds on Slashdot is like accusing cats of being herd animals - it flies in the face of observation. Not to mention that you conveniently accused everyone who disagreed with you of group-think. That indicates that it is merely a cop-out to avoid facing the fact that you're plain wrong.
4) You brought an entirely irrelevant fact into the discussion - the user's sig.
5) Finally, your solution to your perceived problem is idiotic. IQ has nothing to do with whether guidelines are read or even adhered to. I suspect that you think that's an appropriate solution just because you scored above 100 on some IQ test, and think that that makes you special.

Here's something else: my post should be modded to -1 for being off-topic. Do I care? No. Why? Because I know that:
1) Karma is just a number that means nothing - people modded me up when I was posting at 1, and people modded me up when I had been modded down to -1.
2) On average, I contribute more than I flame. I know that a -1 mod here and there does nothing to my Karma.

Here's a suggestion: realize that your initial post was completely and utterly useless, and mods were correct in telling you so. Realize that the only way out of Karma hell is to contribute useful commentary. I suggest to start by reading the article, providing links in your posts, avoiding insults, etc.

Re:END MODERATOR ABUSE (2, Funny)

mr_josh (1001605) | more than 6 years ago | (#21580257)

Yes! We must create an elite, segregated group of people who are deemed intelligent by a test and put them in power without a vote! It CAN'T fail!

Re:Sometimes (0)

Anonymous Coward | more than 6 years ago | (#21577331)

makes semi-conductors in her kitchen

Nope.

Re:Sometimes (1)

downhole (831621) | more than 6 years ago | (#21577363)

This professor, who also happens to be a woman, makes semi-conductors in her kitchen and all she gets is penis jokes?

You must be new here.

learn to fucking read (5, Funny)

everphilski (877346) | more than 6 years ago | (#21577473)

This professor, who also happens to be a woman,

Who cares if she is a man or a woman? She is a person, like the rest of us.

makes semi-conductors in her kitchen and all she gets is penis jokes?

And she didn't make semiconductors, she made microfluidic devices. Yes, she is brilliant, you apparently are not.

Re:learn to fucking read (0, Troll)

c0ck_l0rge (1121281) | more than 6 years ago | (#21578261)

Your sig indicates that you dislike the content on the /. Why come here everyday only to get pissed off at the site time and time again? Don't be a playa-hater! Hate the game.

Re:learn to fucking read (1)

vertinox (846076) | more than 6 years ago | (#21578655)

Who cares if she is a man or a woman? She is a person, like the rest of us.

Speak for yourself human.

right when you need it, too. (5, Funny)

User 956 (568564) | more than 6 years ago | (#21576975)

When she started her job as a new professor at UC Merced, Michelle Khine was stuck without a clean room or semiconductor fabrication equipment

I hate when that happens.

Re:right when you need it, too. (4, Funny)

flyingsquid (813711) | more than 6 years ago | (#21577351)

I'm not impressed. I mean, if she was really gonna pull a MacGuyver, she would have first made the toaster oven and printer with six feet of duct tape, a ball of string, and a half-can of WD-40.

Re:right when you need it, too. (1)

peragrin (659227) | more than 6 years ago | (#21577431)

you need a match to light the wd-40 for the heat source, or at the very least an pair of binoculars, and some sunlight.

Re:right when you need it, too. (1)

the_fat_kid (1094399) | more than 6 years ago | (#21578363)

"Muchas Grasias Senor McGuyer"
"no, no, don't thank me, thank the Moon's gravitational pull"

Re:right when you need it, too. (2, Funny)

Darinbob (1142669) | more than 6 years ago | (#21577993)

I hate housework, and as a result I've been stuck without a clean room for decades.

Re:right when you need it, too. (1)

jd (1658) | more than 6 years ago | (#21580265)

Where's the sticky-back plastic? If she's going to pull a Valerie Singleton, she needs sticky-back plastic! And where's the one she made earlier?

Meanwhile (-1, Troll)

Anonymous Coward | more than 6 years ago | (#21576991)

The fucktarded shitdot sheeple get fucking laid with their shrinking dicks. Maybe the fucktarded shitdot sheeple should all go out and slit their fucking wrists and fucking get it over with?

GO AHEAD FUCKING FLAME AWAY OR WASTE YOUR GODDAMNED MODPOINTS FUCKTARDED SHITDOT SHEEPLE!

Re:Meanwhile (4, Funny)

setagllib (753300) | more than 6 years ago | (#21577755)

You saw it here first folks, a new anonymous literary masterpiece born right here on the dot.

You have it all fucking wrong (0)

Anonymous Coward | more than 6 years ago | (#21579819)

The fucktards like you who troll as anonymous cowards can't get fucking laid with their shrinking dicks. The fucktards like you who troll as anonymous cowards should all go out and slit your fucking wrists and fucking get it over with?

There, fixed tyour mistakes :D

Somethings tapping at the back of her head (-1, Troll)

Anonymous Coward | more than 6 years ago | (#21577003)

"The kitchen... that's where you belong."

Re:Somethings tapping at the back of her head (0, Troll)

spun (1352) | more than 6 years ago | (#21577143)

Are you still bitter about being a virgin?

Re:Somethings tapping at the back of her head (4, Insightful)

heinousjay (683506) | more than 6 years ago | (#21577183)

Ironically, the sensitive guy act is a lot more likely to result in permanent virginity.

Re:Somethings tapping at the back of her head (1)

YaroMan86 (1180585) | more than 6 years ago | (#21577249)

Maybe this is why Shrinky Dink technology is getting popular with slashdotters. I also wonder what product names for commercial versions of Shrinky Dink processors would be.

Re:Somethings tapping at the back of her head (2, Funny)

Obfuscant (592200) | more than 6 years ago | (#21577517)

Maybe this is why Shrinky Dink technology is getting popular with slashdotters.


Actually, the most popular toy technology for /.ers is now aquadots!

Re:Somethings tapping at the back of her head (0)

Anonymous Coward | more than 6 years ago | (#21577807)

Being sensitive sucks.

It means you can't just manipulate the girls and actually get laid.

Inadequate moderation system. (0)

Anonymous Coward | more than 6 years ago | (#21578303)

We need an option for “true”.

Re:Somethings tapping at the back of her head (0)

Anonymous Coward | more than 6 years ago | (#21579893)

If you think it's all about manipulation, I'd say we just highlighted a huge chunk of your problem. Try approaching it like a mutually beneficial arrangement. Everyone likes sex, except for weirdos.

Ah the memories (0)

Anonymous Coward | more than 6 years ago | (#21577007)

Can anyone come up with something for the Snoopy Snowcone Machine? Maybe cryogenics application? Kudos for using the toys of our youth for the tech of tomorrow.

this story is a repeat (3, Funny)

circletimessquare (444983) | more than 6 years ago | (#21577125)

Re:this story is a repeat (0)

Anonymous Coward | more than 6 years ago | (#21577567)

Above is a troll/joke (take your pick). Link is to a "make your own OMG PONIES" poster project.

how is it a troll? (2, Insightful)

circletimessquare (444983) | more than 6 years ago | (#21577693)

story is about shrinky dinks. omg ponies is the same sort of little sister handicraft

thus a silly throw away joke. exactly how humor deprived are you?

Re:how is it a troll? (0)

Anonymous Coward | more than 6 years ago | (#21580019)

exactly how humor deprived are you?

I'm so humour deprived, that even the rats are hunchbacked. *rimshot*[1]

If the story really was a duplicate, I wanted to read the commentary from the first time around. I basically don't read the April 1 stories, because I'm tired of April 1 jokes. [They were funny maybe the first five years or so I read Slashdot... get off my lawn, and all that sort of thing.]

So to me, your message came across as a trick to make me click on a time-wasting link, and I was somewhat annoyed. It's not remotely on the same level as the goatse picture though. There are degrees of being a troll, and you were low on the scale if you were on it at all.

You meant it as a joke, fine, whatever. Hey, not only did you trick me, you got moderated as +1 insightful for dissing me! So you win twice, good for you. Maybe you can insult me again and get modded +1 informative! Go for the hat trick.

P.S. You don't seem too evil, so please have a nice day.

[1] Reference to a Saturday Night Live gag... Al Franken first said "My dressing room is so small, even the rats are hunchbacked!" But then he went on to use that phrase as a non sequitur running gag.[2]

[2] And any joke you have to explain isn't funny. Oh well.

I love MacGyver (5, Funny)

prakslash (681585) | more than 6 years ago | (#21577263)

Some unknown facts about MacGyver:

Fact: On the 1st day, God created MACGYVER. On the 2nd day, God created knives and paperclips. On the 3rd day.. MACGYVER created everything else.

Fact: MACGYVER can invent 1000 different things using a ball of yarn and a pair of sunglasses. 999 of these things can kill a man. The remaining thing can kill a planet.

Fact: MACGYVER invented genocide using only blankets and smallpox.

Fact: The only thing that MACGYVER cannot produce with a soda can and an extension cord... is mercy.

Fact:One time, MACGYVER built a time machine out of an old refrigerator and a pocketwatch, and used it to travel to the ancient paradise of Atlantis. However, while there, he went on a drunken bender with with a magnifying glass and a book of matches. This area is now known as the Sahara.

Fact: Chuck Norris is an android built by MACGYVER in an attempt to find a worthy opponent.

Fact: Some crazy people claim that MACGYVER was just a TV character, played by Richard Dean Anderson. In actuality, Richard Dean Anderson was played by MACGYVER, and the show was a documentary, the events of which REALLY HAPPENED.

And the final Fact: Necessity is the mother of invention but... MACGYVER is the father.

Re:I love MacGyver (2, Funny)

buddhahat (410161) | more than 6 years ago | (#21577863)

+5 Informative? Really?

Re:I love MacGyver (3, Funny)

lonesome_coder (1166023) | more than 6 years ago | (#21577915)

MacGyver can also make his own mod points with a series of tubes, tropical-fruit Bubble-Yum and a Mountain Dew bottle.

...so yes, +5 informative.

Re:I love MacGyver (1)

davidsyes (765062) | more than 6 years ago | (#21578445)

MacGyver doesn't SLEEP... He INVENTS....

(But, I wonder if he can invent an Anti-Chuck-Norris roundhouse kick...)

Re:I love MacGyver (1, Funny)

Anonymous Coward | more than 6 years ago | (#21578273)

Then there was that guy who was dating a very religious girl who would only have sex if it was to have children. He was desperate and finally caved in and agreed to have unprotected sex. Afterwards she asked: "What are we going to call him?". He triumphantly pulled out the condom he had slipped on without her noticing and said: "If he can get out of here, MacGyver".

Re:I love MacGyver (1)

bobdotorg (598873) | more than 6 years ago | (#21579807)

Fact: On the 1st day, God created MACGYVER. On the 2nd day, God created knives and paperclips. On the 3rd day.. MACGYVER created everything else.

Fact: On the fourth day, MACGYVER was making way too much noise and promptly got his ass kicked by Chuck Norris.

Talk about keeping the 50s stereotype (0)

Anonymous Coward | more than 6 years ago | (#21577321)

a womens place is in the kitchen. I guess its also a fabrication plant that is better than a multimillion dollar corporation.

Case in point: homemade cookies.

So the world will end (3, Funny)

zappepcs (820751) | more than 6 years ago | (#21577451)

covered in greygoo created in someone's kitchen with toys from Matel?

Re:So the world will end (1)

orclevegam (940336) | more than 6 years ago | (#21577537)

covered in greygoo created in someone's kitchen with toys from Matel?

Somehow that seems strangely appropriate...

Lets pull out the ol' doomsday checklist and see.
Invocation of advanced science... nanotech, check
Involvment of large corporation... I think Matel counts, check
Occurs on convenient round base ten number (or base 5 for the mayan, myst and discordian fans)... well, doesn't say, so that's kind of a wash
Only thing I don't see how to work in is the kitchen angle.

Re:So the world will end (2, Funny)

Penguinisto (415985) | more than 6 years ago | (#21577715)

Only thing I don't see how to work in is the kitchen angle.

Oh, that's easy: Bobby Flay will use it in an Iron Chef America episode (something with Ancho peppers is a good bet), where it will jump up and go on an apeshit rampage after a food critic downs it ("too salty").

/P

Re:So the world will end (1)

orclevegam (940336) | more than 6 years ago | (#21578159)

Oh, that's easy: Bobby Flay will use it in an Iron Chef America episode (something with Ancho peppers is a good bet), where it will jump up and go on an apeshit rampage after a food critic downs it ("too salty").

Either that or Morimoto will feed it into an icecream maker along with some other decidedly un-icecream type food (such as anchovies, or maybe asparagus).

Re:So the world will end (1)

Kingrames (858416) | more than 6 years ago | (#21579395)

Good god, man. You know you shouldn't make grey goo with lead paint.

Think of the children!

Forget it... (3, Funny)

gordgekko (574109) | more than 6 years ago | (#21577511)

I'm not using microfluidic chips until they're immune to gravimetric distortions.

Re:Forget it... (1)

Penguinisto (415985) | more than 6 years ago | (#21577767)

I'm not using microfluidic chips until they're immune to gravimetric distortions.

No problem: Red Food Coloring (#2) and a ballpoint pen should do it (see also the MacGyver list further up).

/P

Re:Forget it... (3, Funny)

iluvcapra (782887) | more than 6 years ago | (#21578793)

The gravimetric distortions are only a problem if you miss the annual baryon sweeps. The real concern is chromometric distortions and temporal wakes.

And MacGuyver..

Funding? (1, Insightful)

Anonymous Coward | more than 6 years ago | (#21577655)

Does this mean that she enjoys watching her lab budget shrink?

Re:Funding? (0)

Anonymous Coward | more than 6 years ago | (#21579343)

I think the transit adviser put it best:

YOU CAN'T CUT BACK ON FUNDING! YOU WILL REGRET THIS!

Sorry, I just had to. Please don't hurt me.

patented I hope... (1)

advocate_one (662832) | more than 6 years ago | (#21577689)

this is the sort of thing that deserves patenting...

Re:patented I hope... (2, Interesting)

Obfuscant (592200) | more than 6 years ago | (#21578275)

I suspect that Shrinky Dinks are already patented.

What I want to know, is if Shrinky Dinks shrink when heated, why isn't fusing the toner to the Dink making it shrink? I mean, if you use the wrong transparency film in a laser printer, it MELTS and makes a horrible mess. Why aren't the Dinkys Shrinky?

Patents and absence of shrink in printer (4, Interesting)

DrYak (748999) | more than 6 years ago | (#21579019)

I suspect that Shrinky Dinks are already patented.


From what I've learned (yes they now teach patents in some research class here around), the application of a process is included in the patent application. If you invent a new application of an ancient method you could try to apply for a new patent (...now we found you can also do that with it...), as long as nobody has published about this new usage.

In this cases : Sorry, too late ! Prof. Khine has already published the paper, so there's no way Shrinky Dink's creator could patent a new use of their product.

Beside, as pointed out by other /.ers, the point of this method is to enable labs who can't afford the real -fluidic chip, to quickly homebrew their own using cheap materials (PDMS is also a material much loved in the rapid prototyping communities). Patenting (and thus putting a control on who can use this method and who can't) will prevent other small labs using it to quickly produce chips. It would be the exact kind of patent that stifles progress and creativity instead of encouraging them.
Beside a patent is only useful if you want to sell your method to the industry. In this case the industry already has photo lithography, which isn't expensive for them given their production scales, so they don't really need the "kitchen"-made technique.

What I want to know, is if Shrinky Dinks shrink when heated, why isn't fusing the toner to the Dink making it shrink? I mean, if you use the wrong transparency film in a laser printer, it MELTS and makes a horrible mess. Why aren't the Dinkys Shrinky?


Probably for the same reason the not-wrong transparency film don't melt :
Shrinky dinks probably happen to tolerate higher thermal energy before starting to change shape.
I mean they are supposed to be cooked in an oven in order to shrink. Not just somewhat heated.
According to the paper, they cooked the plastic sheets for 5min at 163C in the ovens, in order to achieve the desired shrinking. Probably the couple of seconds the sheets spends in contact with the laser drum don't transfer enough thermal energy (besides, this article [fsnet.co.uk] has also measured a lower temperature of 145 C, thus making the total heat exchange even lower inside the printer).

But probably, if there's a paper jam (or a plastic jam in this case) and the plastic sheets stay for several minutes against the heated drum, then probably you'll have to remove the jam using a magnifying glass and tweezers.

Re:patented I hope... (0)

Anonymous Coward | more than 6 years ago | (#21579351)

they just don't. the develop a bit of a curl over the whole sheet, but barely.

Re:patented I hope... (1)

cduffy (652) | more than 6 years ago | (#21578429)

The kind of folks who need to resort to this kind of approach are the same folks who can't afford a patent license -- so in the interest of research getting done, I certainly hope that it isn't.

I read somewhere about a process (3, Interesting)

JohnnyGTO (102952) | more than 6 years ago | (#21577773)

that used fine grooved plastic(?) to combine methenol and vegetable oil to make pure bio diesel with out all the messy steps. I wonder if shrinky dinks would work to produce those same grooves?

messy Bio-diesel details (2, Informative)

JumpingBull (551722) | more than 6 years ago | (#21580135)

I am not sure about the methanol, but if I remember the wikipedia article, you can use a vegetable oil ( like canola) and lye to yank the organic acid off the oil. What you are left with is a fuel ( an ester) that burns clean, and lots and lots of glycerol.

Apparently, the glycerol can be used to make urethane foam, for insulation - I still don't quite know how that is supposed to work.

The reactor that you remember I think I saw on slashdot; by using a huge number of capillary tubes, the reaction area was much larger, and the reaction could take place as the oil was being used.

The fluidic circuits thus formed might be a great topic for a science fair project ... Or the usual idea of idle amusement as held by the more hard-core slashdotters...

Clueless in Tagland (0, Insightful)

Anonymous Coward | more than 6 years ago | (#21577823)

Could someone explain what the tag "chinesehamsterovaries" might mean? And how it relates to this topic since that is the only story with that tag.

Re:Clueless in Tagland (2, Informative)

Anonymous Coward | more than 6 years ago | (#21578065)

From the first link - http://blog.wired.com/wiredscience/2007/12/macgyver-scienc.html [wired.com]

In addition to making some simpler devices, Khine and her team emblazoned a Christmas tree design into a piece of PDMS and showed how it can blend different types of food coloring to make a rainbow pattern. Since microfluidic devices are sometimes used for biological research, the young professor also showed that Chinese Hamster Ovary cells can flow through through the narrow channels.

I think it was tagged such because that's what we nerds were thinking. A new way to construct microfluidic devices, huh? Well, can we send hamster ovaries through the channels?

Re:Clueless in Tagland (2, Informative)

Anonymous Coward | more than 6 years ago | (#21578589)

Chinese Hamster Ovary cells are used in several fields of cellular biology. They are often used in cancer research. They were cultured from the ovaries of female chinese hamsters (thus the name, sometimes biologists are not very imaginative when naming things). Just so you know, they are cultured cells, not the whole ovaries of hamsters.

Saving a lot of money (5, Interesting)

SoapDish (971052) | more than 6 years ago | (#21577849)

A former professor of mine works with lab on a chip stuff. She really stressed the point that computer and mathematical modelling is extremely important in engineering, particularly her research, because microfluidic chips are extremely expensive. I can't remember the exact number, but it was somewhere above $1000/chip.

Sure, the name "shrinky dinks" is funny, but being able to make these lab-on-a-chips affordably is a big deal.

Saving a lot of money-Just not on car insurance. (0)

Anonymous Coward | more than 6 years ago | (#21580405)

"Sure, the name "shrinky dinks" is funny, but being able to make these lab-on-a-chips affordably is a big deal."

Especially for terrorists on a budget.

Her favorite toys (-1, Troll)

Sooner Boomer (96864) | more than 6 years ago | (#21577965)

WTF??? From TFA "A young professor has used her favorite childhood toy, a laser printer...". Her favorite CHILDHOOD TOY WAS A LASER PRINTER??? Here's a dime, go buy a life (and see if you can rent a real childhood while you're at it).

Re:Her favorite toys (1)

TheZalm (129363) | more than 6 years ago | (#21578079)

I am hoping you're joking. Her favorite toy was the shrinky dinks, the list goes
1) her favorite toy
2) a laser printer
3) etc...

Re:Her favorite toys (1)

PitaBred (632671) | more than 6 years ago | (#21578257)

Literacy? Ive hurd ov it.

I still get depressed every time I find a non-native English speaker that writes better than a native speaker. It happens more often than not, unfortunately. If you see a properly spelled and grammatically correct post on slashdot, I'd give you 2:1 odds that it wasn't posted by a native English speaker.

Re:Her favorite toys (2, Funny)

whitehatlurker (867714) | more than 6 years ago | (#21578191)

Don't laugh - she's an engineer. We had strange toys.

Wanna bet she made light saber out of that very laser printer? Or an FTL drive?

Re:Her favorite toys (0)

Anonymous Coward | more than 6 years ago | (#21578339)

It's a list. In written English, lists are commonly delimited by commas.

#include 'derisive-comments-about-being-the-product-of-an-Oklahoma-education'

Stupid Toy (3, Interesting)

gooman (709147) | more than 6 years ago | (#21578121)

This is pretty neat.

As a kid I never understood the appeal of the Shrinky Dink as a toy. You draw on some plastic and then put it in the oven and it comes out smaller. Big whoop. Why not just draw it smaller to begin with.

But this is actually a functional (and cool technology) use/hack for the toy.

I tip my hat.

Why (1)

wurp (51446) | more than 6 years ago | (#21579671)

Big whoop because you are likely to make errors of about the same size regardless of how big you draw something, and when you shrink it the errors shrink too. It creates a small image that looks almost error free, even if you're fairly crappy at drawing.

I agree it's not that cool of a toy, but it does actually do something (somewhat) interesting.

In other news... (4, Funny)

ElboRuum (946542) | more than 6 years ago | (#21578131)

Another of her colleagues managed to come up with a workable Supersymmetry model using a Pet Rock, a Toss Across, and a Slinky.

It will never Sell, because (0)

Anonymous Coward | more than 6 years ago | (#21578165)

| ...is completely free and surprisingly easy to understand. ... |

No Profit here, so please move along...

confidentiality agreements (1)

microtubules (1197247) | more than 6 years ago | (#21578189)

I have an idea and can't afford a patent so I'm bugging manufacturers with my idea to sell it to them. First they sign the agreement. :) Why should they get all the money?

Very cool article (2, Interesting)

bentfork (92199) | more than 6 years ago | (#21578225)

Micro machining with house hold items is a quite impressive feat. I can imagine building some awesome circuits with this and a conductive pen



However this image:

http://www.rsc.org/ej/LC/2008/b711622e/b711622e-f4.gif [rsc.org]


Is quite impressive. It is a excellent demonstration of what you can build with these channels. Quite cool.


Now where can I find a hand-held corona discharger?

Coming Soon: advanced inks and printers (3, Insightful)

Spittoon (64395) | more than 6 years ago | (#21578519)

I can't explain it; this story made my day. Dupe or no dupe. Very cool.

I know nothing about this area of science, but holy cow! This simple technique already seems to accomplish so much, and to be so useful. Think what it will be when they've created advanced inks and molding materials to create smoother "walls" and which let you control the "shrink" factor more precisely! Imagine specially designed printers to enable chip printing-- even if it's just a more precise tray to hold the shrinky dink media.

This is terribly exciting. It puts microfluidic experimentation within the reach of any hobbyist, college class, or high school! Great breakthroughs will come of this, I just know it.

This story put a smile on my face (1)

Anthony (4077) | more than 6 years ago | (#21579067)

I was just reading the September issue of ACM Communications the other night and it covers, among other things, micro and nanofluidics. Michelle Khine has taken simple things and applied them to a complex problem. I salute you Michelle. Now, the next step might to be to see if the ink can be charged to create ion flow controls. But now I am stepping into areas I know little of (see my sig)

I knew it! (2)

Tyr_7BE (461429) | more than 6 years ago | (#21579287)

I read the title of the article, and thought "someone is going to tag this as 'shrinkydinks'". Sure enough, there it is.

Oh Slashdot, I can read you like a book.

Anyone Else Joining The Club? (1)

Ruhlandpedia (1165417) | more than 6 years ago | (#21579427)

The closest I could get was a scaled up version using packaging tape. Just a simple T-junction, but it was cheap. Pretty easy to set up, I used a tupperware lid with a layer of packaging tape cut with channels and covered by another layer. You could see the diffusion between chocolate milk and orange juice fairly clearly. Anyone else ever have success with one of these things or am I the only one to try?

Microfluidic Shrinky Dicks? (0)

Anonymous Coward | more than 6 years ago | (#21580377)

Hey, I'm a little sensitive about that you know. I can't help it if I was born with a "ding" instead of a "dong".
Load More Comments
Slashdot Account

Need an Account?

Forgot your password?

Don't worry, we never post anything without your permission.

Submission Text Formatting Tips

We support a small subset of HTML, namely these tags:

  • b
  • i
  • p
  • br
  • a
  • ol
  • ul
  • li
  • dl
  • dt
  • dd
  • em
  • strong
  • tt
  • blockquote
  • div
  • quote
  • ecode

"ecode" can be used for code snippets, for example:

<ecode>    while(1) { do_something(); } </ecode>
Sign up for Slashdot Newsletters
Create a Slashdot Account

Loading...