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.
Japan inaugurated the era of high-speed bullet trains almost 50 years ago: Their Shinkansen trains, which whisked passengers to and from Tokyo at the then-unheard-of speed of 130 mph (209 km/h), were unveiled to international acclaim when Japan hosted the Summer Olympics in 1964.apan inaugurated the era of high-speed bullet trains almost 50 years ago: Their Shinkansen trains, which whisked passengers to and from Tokyo at the then-unheard-of speed of 130 mph (209 km/h), were unveiled to international acclaim when Japan hosted the Summer Olympics in 1964.