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We've improved Slashdot's video section; now you can view our video interviews, product close-ups and site visits with all the usual Slashdot options to comment, share, etc. No more walled garden! It's a work in progress -- we hope you'll check it out (Learn more about the recent updates).


Comment: Time to get rid of inverters (isn't it?) (Score -1) 260

by cmeans (#47511285) Attached to: Google Offers a Million Bucks For a Better Inverter
I know nothing about electricity other than the fact that AC and DC are different, so feel free to mod this down.

Assuming that our DC sources of electricity are already somewhat efficient, why don't we just have other things that use that current be DC as well?

It would seem that inverters loose some "energy" in the conversion process, which is why we need this Google like X Prize to develop something more taking them out of the equation seems like it would be a good idea.

Is it just that we're so used to designing electronics etc. to use AC, or are there other benefits? and, if so, then why not put effort into designing AC sources of electricity?

Comment: Less than impressed (Score 1) 308

by cmeans (#47298735) Attached to: Interviews: Ask Lawrence Lessig About His Mayday PAC
These are supposed to be technical people, but their email list subscription system doesn't work... It's happy to send me an email, but denies that my email address is in the system. Very disappointing. Makes me wonder how well they're going to be spending the SuperPAC money if their own systems work no better than anyone else's.

Comment: Revolution (the TV Show) (Score 5, Interesting) 74

by cmeans (#46468979) Attached to: Movie and TV GUIs: Cracking the Code
Feb. 27th, Revolution had code scrolling on the screen (yes they were debugging at light speed), but they stopped at a C function that did actually have a runtime bug that matched the story line (an unused/released C malloc). The only thing that spoiled it was that the same statement was missing a semi-colon, so the code wouldn't have actually compiled in the first place.
Oh was nice to see some code that did actually match what the characters were babbling about...even if there were other things that they did that didn't make any sense what-so-ever to someone who actually understood what they were seeing on the computer screen.

The goal of Computer Science is to build something that will last at least until we've finished building it.