Back Holes as an Energy Source ?!?!?!?

posted by sdonn on 11.05.09 at 2:49 am

narada_blackhole_jc_03_copy_209

So these two dudes from Kansas State University Louis Crane and Shawn Westmoreland have pretty much proposed an idea that would enable us to use black holes as an energy source for interstellar travel. And whats even crazier is that it obeys the laws of physics. I don't know anything when it comes to physics or things like this so hit up the link if you want to read more. Black Holes as an Energy Source

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Mountain Dew WoW Game Fuel

posted by Chris on 06.09.09 at 10:14 pm

mountaindew-gamefuel

Mountain Dew has two new World of Warcraft inspired soda out called Game Fuel. There are two types: The Alliance one has a “wild fruit flavor” and the Horde one is a “citrus cherry” flavor. Check out the official site.

I can’t help but notice that these are very similar to those energy potion drinks. If you’re a hardcore WoW nerd, you’d might want to get these Mountain Dew ones but the energy potion ones are way more legit.

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Leaving Computers on Overnight wastes $2.8 Billion

posted by Chris on 03.30.09 at 8:09 pm

computer-desk-night

DAMN that’s a big number.

Scientific America, says that US workers waste $2.8 billion annually in energy costs by failing to shut off their PCs. This stat is actually take from the 2009 PC Energy Report, a report done by 1E that shows findings on computer energy usage in the UK, US and Germany. The report also states that PCs and monitors account for 29% of all the IT industry’s emissions, which is equal to 43.9 million cars.

I guess the lesson here is to turn off your computers at night. But I leave my computer on forever. The only time I turn it off is if I know I’m not going to be using it the next day, which is almost never. I don’t turn it off cause I don’t like waiting for it to turn on. Sometimes I’ll put it into sleep mode, which is like half turning off your computer, but I’ve been running Windows 7 lately and the beta has some problems with sleep and hibernation so I’ve just been leaving it on.

Screw the environment.

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Burning Fuel: Average Car VS Average Human

posted by Chris on 03.04.09 at 9:01 am

burning-fuel

Nice little infographic (if that’s what they’re called) comparing the amount of fuel the average car burns to the average human’s.

I like the shades on the dude. Very classy.

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A Single Google Search Uses 1000 Computers

posted by Chris on 02.23.09 at 12:30 pm

google-server-1999

photo: Coding Horror

So first, this is how google works. Google has things called “crawlers” that roam around the internet saving every single webpage on their “index”. When you do a search, you are actually searching through google’s index not the actual internet.

When google changed over from storing the index in I guess hard drive space to storing it in memory or RAM, the machine usage went from 12 to 1000 machines.

So when you do a search, you are searching the memory of those 1000 machines. Your search query may not use up all 1000 of those machines but it might. And it happens all under .2 seconds.

I think that’s pretty amazing if you think about how big the internet is. How much memory would it take to store index all the pages? How much processing power does it take to do even one search through all those pages?

Here’s another little fun fact: It takes 0.0003 kWh of energy (1.08 kJ for you Chem people) for each search you make. That’s about the same amount of energy your body burns in 10 seconds.

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