The Adventures of Willy Beamish For whatever Willy Beamish was in the past, it now has a great Nostalgia factor for anyone who was a kid during the early 90's. The puzzles here are not particularly difficult, and the story is pretty entertaining. Overall Score: 9 of 10 |
I'm Famous! |
Sherlock Holmes |
Assassin's Creed 2 |
Wet |
Science Saturday: Relativity, A Little Bit Goes A Long Way A hunk of Uranium Over time, these unstable Uranium atoms shed their parts and turn into something called Uranium-235. As it turns out, Uranium-235 is just right for making a nuclear bomb. You see, when you put a lot of Uranium-235 together, little bits of it shoot out just like before, but those bits crash into other Uranium-235 atoms, which causes them to release some of their own bits.. and those bits hit other atoms which releases their bits, and so on, and so forth, until there are so many little bits of stuff bouncing around that everything is vaporized.. and that's how all of that energy is released. Unfortunately for our Manhattan Project fellows, Uranium-235 takes millions of years to form naturally. Less than 1% of the Uranium on the Earth is Uranium-235.. What to do? Enter Ernest O. Lawrence! Ernest O. Lawrence Ernest here invented a machine that you stick normal Uranium in, and it separates out the Uranium-235. That machine is called a calutron.. and it works by using magnets! In today's world, for anything that has wires, the wires are made out of copper. Copper is awesome at conducting electricity, and it's cheap.. which is why it's so common. This was true during World War 2 as well, but copper was scarce because it was being used in any number of guns, tanks, and airplanes that were already on the battlefield.. and of course, you need copper to build electromagnets. Or do you? There is, actually, one other metal that is even better than copper at conducting electricity: Silver. Of course, silver isn't often used in wiring because it's crazy expensive, but wouldn't you know that the government just happens to have hundreds of thousands of tons of silver just laying around in bar form? They melted down some of this silver, courtesy of the US Treasury, and turned it into electromagnets.. BIG electromagnets. Ernest's machine worked pretty well, although it was not particularly fast at producing Uranium-235.. it was able to produce enough to create a bomb. Say Hello to my Little Friend There it is, the world's first atomic bomb, and thanks to Ernest and a bunch of silver, it's packing 141 pounds of Uranium-235. Part of that uranium is back by the tail fins, and part of it is up in the front. Each chunk is not big enough by itself to explode, because all those little atomic bits are able to escape and fly off into the air, or wherever else.. but when those two chunks come together, they rip one another part in a process called nuclear fission. And as it turns out, that's exactly what happened over Hiroshima. The two chunks came together and BOOM. A picture of the Hiroshima explosion. 141 pounds of Uranium-235 on board, but not all of it was converted into energy. Actually, only 600 milligrams of Uranium-235 were converted into energy. Something smaller than a paperclip killed 140,000 people, and wrecked a city. The famous "mushroom cloud" was formed because the air around the bomb was superheated to nearly 4,000 degrees by X-rays. The damage to Hiroshima The man and ladder who made this shadow were vaporized 600 milligrams. Doesn't take much. |
The Case for Eve Online So if you're a nerd out there, looking for something new to check out.. try Eve Online, it's got a free 14 day free trial. |
The Blind Side |
Merry Holidays? |