The XM307 Auto-Grenade Launcher

Look at the XM307 Launcher .50 calibre machinegun!

Demonstration of the Navy Electromagnetic Rail Gun prototype

The US Navy's Electromagnetic Rail Gun that is under development at NSWC Dahlgren in Virginia. This is a prototype to demonstrate the technology of the rail gun for use on the future DDG-1000 class of Navy ships. The bullet is fired at a 10.64MJ energy level, 8 times sound's speed (mach 8)!!

Barnes Bullets: Bullet Myths Busted

"Bullet Myths Busted" tackles popular misconceptions about bullet performance and unmasks false claims. Exclusive high-speed video compares bullet expansion and penetration—tests never before revealed by a bullet manufacturer. Learn why loose-fitting muzzleloader bullets are a bad idea. View the explosive performance of Barnes' new Varmint Grenade bullet. See which hunting bullets are deadlier than others, and why.

Site of the manufacturer: Barnes Bullets

Top Gear: Land Rover Vs Tank

Top Gear tests a rovers offroad abilty by bieng chased by a tank. Have hun!

Extreme Skier Jamie Pierre

Jamie Pierre is a professional free skie that set a world-record cliff jump of 255 feet (77.72 m) at the Grand Targhee Resort in Wyoming. In the first video he talks about why he does what he does. In the second video the drop of 255 feet.

Here: World's biggest headplant in Grand Targhee you can find an article about his world record cliff jump of 255 feet.