Tuesday, November 10, 2015

This awesome DIY railgun fires rounds with 27,000 joules of force

You NEED this for home defense. If your neighbor bought a tank....

http://www.engadget.com/2015/11/09/this-awesome-diy-railgun-fires-rounds-with-27-000-joules-of-forc/

27,000 joules equates to 19,914 foot pounds energy. To put that into perspective, a .50 BMG (the round used in the vehicle-mounted M2 heavy machine gun and the massive Barrett M82 sniper rifle) generates a maximum of "only" 15,000 fpe. But possibly the most powerful (and totally impractical) rifle round is the .905, with up to 38,700 fpe...or about as much as a 20mm Vulcan cannon round.

This could be the biggest sign yet that the battery revolution is here

https://www.washingtonpost.com/news/energy-environment/wp/2015/11/09/this-could-be-the-biggest-sign-yet-that-the-battery-revolution-is-here/

Scientists Discover an Unexpected New Way To Fight Alzheimer’s Before It Starts

“We also found that females with APOE4 saw the greatest improvement in brain blood flow, which is significant given that nearly two-thirds o...