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Riecoin Breaks World Record For Largest Prime Sextuplet, Twice

Ken_g6 Slashdotted already?! (46 comments)

For a network with such "massive distributed computing power", that's some pathetic servers they've got there.

yesterday
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Molecular Clusters That Can Retain Charge Could Revolutionize Computer Memory

Ken_g6 Re:Will this go the same way as the spintronics? (36 comments)

Spintronics is a quantum thing - a way of specifying more information in each electron. As such, it's very difficult to work with.

This is more similar to carbon nanotubes. They're a new thing, which could be very useful, if only you could cheaply and efficiently manufacture them and put them in the proper places on a chip. However:

"One major benefit of the POMs we've created is that it's possible to fabricate them with devices which are already widely used in industry, so they can be adopted as new forms of flash memory without requiring production lines to be expensively overhauled," Lee Cronin, a chemist involved in the research, said in a University of Glasgow release.

So using these may be more realistic than carbon nanotubes!

about a week ago
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After Four Days, Philae Team Gets to Rest

Ken_g6 Re:RTG (88 comments)

It took ten years to get the Rosetta mission to the comet. By then a RTG would be fairly depleted too.

about two weeks ago
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Ask Slashdot: Is Non-USB Flash Direct From China Safe?

Ken_g6 Re:Make you sure you can read and write every bit (178 comments)

Mod parent up. I got a USB drive as a gift that claimed to be 256GB! I tested it, and I think it's actually a 4GB drive with a little over-provisioning.

about two weeks ago
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Philae Lands Successfully On Comet

Ken_g6 Re:Hold on (188 comments)

I understand that a Greenpeace boat got in the way...

Or was it a piece of a green ship?

about two weeks ago
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Physicists Resurrect an Old, Strange Dark Matter Theory

Ken_g6 Re:Strange? (138 comments)

Or maybe some of the particles include strange quarks?

about three weeks ago
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Physicists Identify Possible New Particle Behind Dark Matter

Ken_g6 Would their force carriers be called... (103 comments)

If the force carriers for ordinary matter are called bosons...

Then would the force carriers for SIMPs be called...SIMPsons?

about a month ago
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What It Took For SpaceX To Become a Serious Space Company

Ken_g6 Re:To compete in price (96 comments)

No, to compete in price against anyone you only need assets. That can be money, or it can be tangible assets, such as rocket parts that remain in serviceable condition after a launch. Probably no one here will like it, but under current law, even "intellectual property" counts as an asset.

about a month ago
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What It Took For SpaceX To Become a Serious Space Company

Ken_g6 Re:He'll Never.. (96 comments)

I'm sure the solar panels from defunct rovers could provide at least a trickle charge.

And he can put a better charging station there later.

about a month ago
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ISPs Violating Net Neutrality To Block Encryption

Ken_g6 Re:this could be solved by defining "internet acce (149 comments)

And then all the companies will rename their consumer plans, at the very least, "web" or "data" like the mobile companies do. And practically nobody will notice or care.

about a month and a half ago
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Z Machine Makes Progress Toward Nuclear Fusion

Ken_g6 Re:Gotta be a downside somewhere (151 comments)

Yes, and all the stars in the sky would have collapsed, and we would have created black holes at H-bomb test sites.

There might be nuclear waste to worry about given stray neutrons, but gravitons aren't something I'm worried about.

about a month and a half ago
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Former Department of Defense Chief Expects "30 Year War"

Ken_g6 I don't think he means war for 30 years (425 comments)

I think he's referring to the Thirty Years' War.

The Thirty Years' War was a series of wars in Central Europe between 1618–1648. It was one of the most destructive conflicts in European history, and one of the longest...it gradually developed into a more general conflict involving most of the great powers of Europe....

about 2 months ago
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L.A. TV Stations Free Up Some Spectrum For Wireless Broadband

Ken_g6 Re:Sharing channel == worse picture quality (80 comments)

I don't have cable or satellite, but I heard their picture quality is way worse than broadcast usually has been. This could just be evening the score.

about 3 months ago
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L.A. TV Stations Free Up Some Spectrum For Wireless Broadband

Ken_g6 Digital would be less "twitchy", but... (80 comments)

Digital becoming twitchy isn't just because of transitioning to digital. It's also because they lowered the transmitter power.

The maximum power for DTV broadcast classes is also substantially lower; one-fifth of the legal limits for the former full-power analog services. This is because there are only eight different states in which an 8VSB signal can be in at any one moment; thus, like all digital transmissions, very little signal is required at the receiver in order to decode it.

So if you were watching an analog signal of the same power, you'd have a hard time making it out too.

about 3 months ago
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German Court: Google Must Stop Ignoring Customer E-mails

Ken_g6 Last sentence exemplifies the problem (290 comments)

From TFA that's not in TFS:

The company [Google] did not immediately reply to a request for comment.

about 3 months ago
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To Really Cut Emissions, We Need Electric Buses, Not Just Electric Cars

Ken_g6 Wireless charging (491 comments)

This has to be one of the best use cases I've seen for wireless charging stations. Put one at every bus stop where it's practical. Just by sitting there, while letting people on and off or just waiting to get back on schedule, the bus can be recharging. Also, buses are long, so the density of power sent through the charging coils doesn't have to be as high as with a car.

about 3 months ago
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Microsoft Takes Down Slideshow-Building Tool After Getty Images Lawsuit

Ken_g6 Re:Maybe we need an HTML tag for image/work copyri (81 comments)

Not an HTML tag. It needs to be some kind of metadata embedded in the image itself. There are places in various formats for these things; I guess we just need better tools to read and write them.

about 3 months ago
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Could Tech Have Stopped ISIS From Using Our Own Heavy Weapons Against Us?

Ken_g6 Make a key component removable and portable (448 comments)

For instance with tanks, if you make them drive-by-wire and you make the computer control system small enough, you can just pull the computer when you're done with the tank and take it with you.

Of course, the enemy could counter this in several ways. They could jerry-rig the tank to work minimally without a control system, but it would not be nearly as effective. They could steal the control computer, but that's a security issue - the key components should be under lock and key and heavy guard. Or they could steal the control software and load it on a smartphone or something, but that's again a security issue. And all of these require more technical knowledge than hot-wiring a car.

about 3 months ago
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Slashdot Asks: Cheap But Reasonable Telescopes for Kids?

Ken_g6 Re:Binoculars (187 comments)

I got a pair of good 7x50 binoculars. As a side-benefit besides astronomy, I call them my night-vision scopes. When I look through them at dusk at terrestrial objects, everything I see looks brighter! You won't see the landscape when it's pitch black, but it's a surprising difference for unpowered optics.

about 3 months ago
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Slashdot Asks: Cheap But Reasonable Telescopes for Kids?

Ken_g6 Cheap helpers for cheap scopes (187 comments)

Let's assume you got a cheap telescope. What can you do to make it work better for you?

1. Get astronomy software. Someone else mentioned Stellarium; I guess that's the go-to PC software now. I don't know what's available for phones. But make sure it shows an object's altitude in degrees.
2. Get a red flashlight. I guess these days people use red LEDs; back when I was a kid the place to go was army surplus for those bent army flashlights with colored filters.
3. Get a protractor. It's cheap, it's plastic, it shows degrees, and it's probably on sale now for back-to-school.
4. Get a piece of thin string and a weight, such as a nut for a bolt.

Tie the piece of string through the center hole on the protractor, and tie the other end to the weight. Now tape the protractor to the body of the telescope, preferably along some piece that sticks out near the tripod so it's aligned properly. To get an object in the scope, find its current altitude on your astronomy software. Then tilt the scope so the string's position matches that altitude on the protractor, using the red flashlight to see the string and protractor. You might have to do some math to get the matching number on the protractor. (90-x degrees - see, kids, that's what math is good for!) Now you mostly have to pan the scope, which is usually easier than tilting.

One other idea that came to mind while writing this: Take the jack stand out of your car, tape it to one leg of the tripod, and you might be able to use that for fine tilt adjustments. I've never tried this idea, though.

about 3 months ago

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