May Day Strike and Mayhem. Eight hours for work, eight hours for rest and eight hours for what you will.. --A slogan of the Eight-hour Day movement. May 1, 1886, was the deadline that unions and other worker organizations set for a national general strike.
On January 31, 2008 the US Navy tested a railgun that fired a shell at 10.64 MJ with a muzzle velocity of 2,520 m/s (8,270 ft/s). Its expected performance is a muzzle velocity over 5,800 m/s (19,000 ft/s), accurate enough to hit a 5-metre (16 ft) target over 200 nmi (370 km) away while firing at 10 shots per minute.
Harmony CRH 380A. Harmony CRH 380A, with maximum operational speed of 380kmph, is currently the second fastest operating train in the world. The electric multiple unit (EMU) set a record by speeding at 486.1kmph during its trial operation on the Shanghai-Hangzhou intercity high-speed railway in December 2010.