Kleenex tissues were originally used as filters in gas masks.
46
A toaster uses almost half as much energy as a full-sized oven.
33
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 small airplane can fly backwards.
75
The blueprint for a floating city has just been approved by the largest port construction and design company in China. It's entirely self-sustainable, and extends underwater.
2
UFO sightings have reduced by over 80% since the introduction of smartphones and public access to HD video.
2
Any modern jet is capable of breaking the sound barrier.
34