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Scientific and Technological Inventions - Scientific and Technological Inventions Free Videos
01:06
College students invented mineral water balloons, earning 10 million in just seven days, changing the traditional way of drinking water
Life
190
01:24
A trolley saves effort, and one person can carry a kilogram of goods without any effort upstairs or downstairs.
Life
237
01:05
The magic floating blocks on the water can be assembled arbitrarily and put into the water will become a road.
Life
161
00:48
Invention of nailing artifacts, nailing 200 flat per day, cost less than 500 yuan
Life
268
00:41
Say go and go luggage? Follow your heart and do your best.
Life
168
01:02
In order to eat Chinese food, foreigners invented the artifact of pinching chopsticks, knife, fork and chopsticks, so that both Chinese and Western food can be eaten.
Life
193
00:59
A mechanical spider bicycle invented by a foreign boy will be late for work.
Life
234
01:04
Fire-spraying tricycles, ride the frontier
Life
219
