Any modern jet is capable of breaking the sound barrier.
34
An airplane mechanic invented Slinky while he was playing with engine parts and realized the possible secondary use for the springs.
12
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
A toaster uses almost half as much energy as a full-sized oven.
33
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
The ball on top of a flagpole is called a 'truck'.
24
There's an "anti-smartphone" called John's Phone which can only make and receive calls.
7