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Dremel Releases 3D Printer

aXis100 Re:Wrong type of machine for Dremel (103 comments)

We are no-where near the point where fused filament 3D Printing is a plug and play operation. In the last 12 months I've had to spend a lot of time and effort to get reasonable prints, and have had to regularly consider things like:

Printer idiosyncracies (which a professional printer should avoid):
- Wear & tear on pulleys and bushings changing belt performance
- Correct hot end temperatures, scorching and smoking of filament leading to clogged nozzles
- Bed flatness
- Enclosure temperature control, adhesion to the bed and control of warping

Then, even if your printer is working well there are a huge number of factors to consider when drawing and slicing your shape:
- Orientation of the shape with respect to grain in the filament to give good styrength
- Orientation of the shape to avoid bridges and overhangs
- Inside fill percentage and fill style to optimise between strength and potential warping.
- Adjustment for tolerance and oozing around and intermeshing parts

That's not a complete list, but it's what I'm down to now on a regular basis now that I've tweaked all of the other settings and am getting some consistency.

2 days ago

How Does Tesla Build a Supercharger Charging Site?

aXis100 Re:And how long does it take... (190 comments)

If everyone starts driving EVs, they wont all need to charge at a charging station. Most people will be charging at home overnight, it's only the long distance commuters (maybe 10%) that will need to charge on the go.

Seems like a workable solution.

about a month ago

Smartphone Kill Switch, Consumer Boon Or Way For Government To Brick Your Phone?

aXis100 Re:Way for *any hacker* to brick your phone (299 comments)

I want a kill switch, in fact I have one on my phone right now in the form of an IMEI blocking scheme by my telco. If someone nicks my new phone it will be worthless within a day.

So far the schemes seem to be working fine and has been adopted across most of Europe, Japan, Korea, Australia and New Zealand. It's not actively enforced in many parts of asia and as such has become a hotspot for stolen phone sales.

about a month ago

Smartphone Kill Switch, Consumer Boon Or Way For Government To Brick Your Phone?

aXis100 Re:IMEI Blocking in Australia (299 comments)

Lots of countries do this already. The US is one of the few that doesnt, and seem to be getting their panties in a knot trying to figure it out. I dont know if it's a "not invented here" issue or just a deep seated mistrust of their government.

The fact is:
- IMEI blocking has generally been working fine. There are supposedly methods to reflash the IMEI on *some* phones but it's quite difficult.
- We are not seeing reports of governments abusing the feature.

about a month ago

Point-and-Shoot: TrackingPoint's New Linux-Controlled AR-15s

aXis100 Re:So let me get this Straight. (219 comments)

It's easier to aim a laser tag with a small switch - and correct it if you've got it wrong - than to aim and fire using the trigger perfectly the first time.

It's all about repercussions and sensitivity - the target probably wont get alerted by the tagging beam, and you can correct it as many times as you like whilst maintaining stealth. Once you have it right, the first real bullet will hit it's mark and the show is over.

about a month ago

Toxic Algae Threatens Florida's Gulf Coast

aXis100 Re:Synthetic Grass (99 comments)

I've never understood why synthetic turf owners down throw a splash of water over their yards in summer - the evaporating water will keep the heat down.

Yes, it does waste a little water, but far less than regular lawn and you can do it just on the days you want a cooling effect.

about a month ago

Transatomic Power Receives Seed Funding From Founders Fund Science

aXis100 Re:Chump change (143 comments)

TFA says they will use it to study suitable materials and the corrosion issues around the molten salt hanling.

about a month and a half ago

Ask Slashdot: "Real" Computer Scientists vs. Modern Curriculum?

aXis100 Re:Why do CS grads become lowly programmers? (637 comments)

Like it or not, a significant portion - maybe even a majority - of multi-million dollar software projects fail dismally.

Maybe the problem is the (lack of) software engineering. Maybe it's the project management. Most likely it's really poor requirements gathering from clueless users who fill the scope full of edge cases. Either way, the industry has a shockingly poor reputation.

Until the software industry can get their shit together, I'm hesitant to use the word "engineering" anywhere near it.

about a month and a half ago

How One School District Handled Rolling Out 20,000 iPads

aXis100 Re:meh. (285 comments)

Some private schools in Australia are focing parents to buy iPads, plus an insurance plan, plus the maintenance plan, at a cost approching AU$1000 ($US900). And if you break it or lose it in one of several commons ways that kids love to break and lose things, the insurance wont cover it! Hilarious!

about 2 months ago

Australia Repeals Carbon Tax

aXis100 Re:Govt panders to short-sighted voters, news at 1 (291 comments)

You're missing the point.

The existance of the chaplancy program is not the issue. I don't agree with it in principle because the government shouldn't be funding non-secular activities, but I can see the merit in some sort of school counselling and support.

The real issue is the Liberals have cut science and environment funding, but retained a controversial religious based program. It appears to be inconsistent with responsible, secular government.

about 2 months ago

Australia Repeals Carbon Tax

aXis100 Govt panders to short-sighted voters, news at 11 (291 comments)

Voters love the environment until it costs them money.

The Australian economy is having some troubles, but by world standard we are doing OK. Some poeple are genuinely doing it tough and struggle to afford the higher prices caused by the carbon tax, so they want it repealed. More poeple still *think* they are doing it tough, but can still afford ciggies and pay TV. These are a prime demographic for swinging votes, so the government loves to give them a price cut too.

Fearmongering and a brutal budget this year have made things worse, we are going into Austerity mode (when it is arguably not required) so poeple think that doing something responsible for the environment like the carbon tax is just a "nice to have" and easily discarded.

Makes me sad to be an Aussie sometimes. The current government has agressively wound back the clock on science and social responsibility:
- Abolished Australian Renewables Energy Agency, worth $1.3 billion.
- Stretched $2.5 Billion Emmisions Reduction Fund over 10 years instead of 4
- Cut $460 million from Carbon Capture and Storage
- Scrapped the National Water Comission and the Standing Council on Enviroment and Water
- Cut $110 milliion from CSIRO (the research group that developed WiFi and lots of other cool things)
- Cut $75 million from the Australian Research Council
- Cut $80 million from the Cooperative Research Centres program
- Cut $8 million from the Australian Institute of Marine Science
- Cut $120 million from the Defence Science and Technology Organisation
- Cut $28 million from the Australian Nuclear Science and Technology Organisation
- Cut $36 million from Geoscience Australia

about 2 months ago

More Forgotten Vials of Deadly Diseases Discovered

aXis100 Re:Smartphones (55 comments)

I had a mate who kept a container of crushed pineapples in his fridge for about 7 years. We called it Alfred.

It grew mould and went though all of the colours of the rainbow, in a magical cyclic dance of self sustainability. Then his sister came over one day and threw it out. :(

about 2 months ago

BlackBerry's Innovation: Square-Screened Smartphones

aXis100 Gasp! (139 comments)

When I read the summary I though "It cant be that bad...."

Man was I wrong, that is a shocking size and form factor. I literally gasped.

about 2 months ago

DC Entertainment Won't Allow Superman Logo On Murdered Child's Memorial Statue

aXis100 Re:What (249 comments)

I'd say there is.

The kid loved to dress up in superman outfits. The juxtaposition between an invulnerable superhero and mortal, terminally abused kid is quite poignant and will get people's attention.

about 2 months ago

Consciousness On-Off Switch Discovered Deep In Brain

aXis100 Re:Consciousness (284 comments)

Dude..... so what you're saying is:

1) Scientific principle
2) ....
3) Magic happens

Let me know when you've figured out #2 thanks.

about 2 months ago

Austrian Tor Exit Node Operator Found Guilty As an Accomplice

aXis100 Re:It'll come down to an opinion (255 comments)

So a better analogy is payphones then.

Most poeple have mobile phones now, and payphones are heavily used by ciminals setting up deals. It might even be a majority of their use now.

Does that mean that telcos are acomplices?

about 3 months ago

Chinese Company '3D-Prints' 10 Buildings In One Day

aXis100 Re: Is it safe? (118 comments)

There is a simpler option, which is to replace the rebar with another tensile option, such as fibreglass or plastic.

Rather than a welder, it would be much simpler to have a spool of fibreglass/plastic ribbon which is then laid down at intervals in the 3D print.

Even simpler still is to add chopped fibres to the concrete mix, which make the concrete more durable and stops the propagation of cracks. Considering how long we've managed with brick walls that have practically zero tensile strength , a fibre reinforced concrete could be more than sufficient. See

about 3 months ago


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