Popular Science Videos - Dianjinwa Video

Popular Science - Popular Science Free Videos

00:59

Will wearing glasses for a long time really deepen myopia? The owner of the optician doesn't say anything, but you know

Life

138
01:09

Mobile broadband is so slow, why are there 157 million users installed? Is there anything catty behind it?

Life

265
04:43

Why does 404 denote that a web page does not exist?

Life

228
01:37

What's the difference between a pension and a pension? There is a big difference between them.

Life

243
01:09

Why doesn't the truck brake even when it hits? Truck driver, I can't blame it.

Life

251
01:40

How long has it been since you were in the circle of friends?

Funny

297
02:11

The straight line between the two points is the shortest. Why do civil aviation aircraft follow a curve? Knowledge has gone up.

Entertainment

206
00:59

China's tobacco companies earn 1000 billion yuan a year. Why can't they make it into the top 500 in the world? I've finished reading it.

Entertainment

173
01:00

Which is more popular in the next 10 years, house or money? Experts say nothing at all.

Funny

183
01:06

If you smoke 20 cigarettes a day, how will your body change after 20 years? See the Knowledge Up

Health

215
02:49

What is the hair on a tire for? Learn these three points and never be afraid of being cheated by a garage

Life

140
01:08

The problem that troubles many young people is whether to turn off the phone when charging it. Look at the official answer

Life

199
02:11

Why are body armor vest? Is it not safer to wrap hands and feet? Read through the expansion of knowledge

Funny

160
01:50

How wonderful is Neptune? A pit is bigger than the earth, and the wind speed is equal to the earth's typhoon class 100.

Anecdote

195

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