if the aircraft is pointed into a 150 km/h (92 mph) gale, it will travel backwards at 102 km/h (63 mph)—whilst under full control!” This column first appeared in the September Issue 950 of the ...
Russian military drivers in the Kursk region are being killed by concrete "dragon’s teeth" obstacles placed across roads at night. Who is placing them, and how?
The table below shows some common conversions. Unit Conversion Example mph to km/h 1 mile = 1.6 km. Multiply by 1.6 to change mph into km/h. A car travels at 30 mph. In kilometres per hour this is ...
Even on busy rail networks, the gap between lines can spend much of its time doing little but face skyward, so why not put that space to good use? Swiss startup Sun-Ways is looking to do just that by ...