Scientists in China have built a prototype high-speed maglev train that is theoretically capable of reaching speeds of up to 1,800 mph (2,900 km/h).
1
The IRS processes more than 2 billion pieces of paper each year.
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There's a Mumbai-based pizzeria that now delivers pizza by drone.
4
It would take twenty new mid-size cars to generate the same amount of pollution that a mid-size 1960's car did.
20
The first alarm clock could only ring at 4 a.m.
120
Windmills always turn anti-clockwise. Except for the windmills in Ireland!
184
Originally, BMW was an airplane engine manufacturer.
69