There are only 14 blimps in the world.
69
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
If a car is travelling at 55 miles per hour it will travel 56 feet before the driver can shift his foot from the accelerator to the brake.
25
A toaster uses almost half as much energy as a full-sized oven.
33
More than a billion transistors are manufactured every second.
-25
A small airplane can fly backwards.
75