Giant crossbow to shoot man 20 miles into the air

Brian Walker, mad scientist and all around crazy person, plans to shoot himself 20 miles into the air in a homemade rocket launched from the world’s biggest crossbow. The rocket, which has a jet turbine with 1,350 pounds of thrust, will shoot off the track of the giant crossbow shown above, which is equipped with Read more about Giant crossbow to shoot man 20 miles into the air[…]

SSTAR – small, sealed, transportable, autonomous reactor

http://www.newscientist.com/article.ns?id=dn6344 The aim is to create a sealed reactor that can be delivered to a site, left to generate power for up to 30 years, and retrieved when its fuel is spent. The developers claim that no one would be able to remove the fissile material from the reactor because its core would be inside Read more about SSTAR – small, sealed, transportable, autonomous reactor[…]