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Comment: Re:Good luck with that (Score 1) 567

by Lord Byron II (#43327475) Attached to: United States Begins Flying Stealth Bombers Over South Korea

Yes, it is an alpha emitter. But it and its decay products also produce plenty of gamma. See http://www.csupomona.edu/~pbsiegel/decaychain/U235.html . You build a detector to detect the gammas at the particular frequencies that U235 emits at and bam - you've got a detector that will detect U235 and nothing else. Also, gammas are highly penetrating, so unless that cargo container is lined with a significant amount of lead, you will detect something if its there.

Comment: Sounds good to me (Score 1) 86

by Lord Byron II (#43287575) Attached to: Hitachi's Tiny Robo-Taxi Carries 1 Passenger and No Driver

I ended up in Tsukuba a few years back in the middle of the night, lost, with no GPS, and I don't speak a lick of English. I finally found a bus station and waited for a half-hour in the cold before one came by. I got on and it was just me and the driver and he spoke no English. Finally, by sketching out landmarks near my hotel, he managed to figure out where I needed to go and let me off at the nearest stop with some gestured-directions.

Anything that would have made that experience more pleasant is gladly appreciated.

Comment: Re:Dumbest story title, ever? (Score 1) 235

by Lord Byron II (#43232601) Attached to: Smartest Light Bulbs Ever, Dumbest Idea Ever?

Not as much as you think. Using lightbulbs to heat the air near the ceiling, where hot air naturally convects to anyway, is just a waste. Only if you have a way to efficiently recirculate air from around the light fixture to where you're at will you see a benefit. Otherwise, most of it will be lost up to the attic and then outside.

Comment: Re:Everything good is bad for you (Score 1) 308

by Lord Byron II (#43126869) Attached to: Salt Linked To Autoimmune Diseases

The problem with your argument is the "2.5 million years". That somewhat arbitrary timeframe allows you to make the argument that high-fat meat-based diets are ideal. However, if you consider the "diet" of all of our ancestors back to the dawn of life on Earth, roughly 4 billion years ago, you'll find that most of our ancestors over that time were simple organisms that ingested simple sugars - a diet that would kill us today.

At the other extreme, our species has only existed for around 50k-200k years and if we've been eating grains for 10-20k of that, then we've had grains in our diet for around a quarter of the time of our existence.

Either way, its hard to infer what we should eat based off of what our ancestors ate. They weren't us and we're not them.

Comment: Re:Not new? (Score 1) 154

Please explain something to me. The Apricorn drives use a ten digit keypad to enter a (maximum) 15-digit key. That gives a key space of approximately 50 bits (log(10^15)/log(2)). They why do they advertise the drive as using 256-bit security? Why not just implement a 64-bit algorithm? That is still a greater level of security considering the passkey.

A language that doesn't have everything is actually easier to program in than some that do. -- Dennis M. Ritchie

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