Converter type: area surface units. This online area surface from mm2, sq mm into m2, sq m converter is a handy tool not just for certified or experienced professionals. First unit: square millimeter (mm2, sq mm) is used for measuring area. Second: square meter (m2, sq m) is unit of area.
At 3:21 p.m. (EDT), NASA'S Juno Mission spacecraft will slingshot around Earth towards Jupiter, accelerating to 25 miles per second along the way and becoming the fastest man-made object in history. A .50-caliber bullet travels at about half a mile a second, by contrast -- nowhere near the blistering speed of Juno.
Reduced to three cars with higher voltage, larger wheels and higher-tension pantograph wires, it broke the world record in April 2007, reaching 574.8 km/h (357.2 mph) on a 140 km section of track. The fastest manned rail vehicle was a manned rocket sled, which carried USAF Colonel John Stapp at 1,017 km/h (632 mph).