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
Jumbo jets use 4,000 gallons of fuel to take off.
19
Mico headphones read your brainwaves and select music based on your state of mind.
7
Whale oil was used in automobile transmissions as late as 1973.
56
A small airplane can fly backwards.
75
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


