Why is it so calm beneath the waves? #Science #Unwind #Ocean #IncreaseKnowledge

Why can strong winds blow roofs off? In addition to the pressure difference, the wall also changes t

haoqiwanhuatong

1 View

Cars can encounter many troubles in icy and snowy weather. Which ones have you encountered?

haoqiwanhuatong

13 Views

Why do we need to cut a slant on the tree when felling it?

haoqiwanhuatong

18 Views

Why can a hatchet easily chop down a tree as thick as a bowl? #Science #Relief #Hatchet #Logging #Tr

haoqiwanhuatong

12 Views

Why do rock slabs need to be broken manually? #Science #Unzip #Construction #Cool Knowledge

haoqiwanhuatong

13 Views

Why is steel colored after cutting? #Science #Unzip #Metalworking #CoolKnowledge

haoqiwanhuatong

31 Views

How harsh is the environment on a polar research vessel? #PopularScience #Unzip #ResearchShip #Polar

haoqiwanhuatong

35 Views

Strong men VS. Strong fish

Shidaolunhuizhijing

3.2K Views

The wisdom of the working people is to change the direction of force to move heavy objects. #Science

haoqiwanhuatong

13 Views

You don't necessarily have to go to the ocean to surf—surf simulators and artificial wave pools can

haoqiwanhuatong

14 Views

Why do we need to grind off the bark? This is the process of peeling and rounding the wood before pe

haoqiwanhuatong

35 Views

The snow on the roof looks beautiful, but why do we need to remove it?

haoqiwanhuatong

10 Views

Gear machining: Why only a tiny bit of cutting is required? #Science #Unzip #Machinery #ExtremeComfo

haoqiwanhuatong

9 Views

Can ice bullets really withstand the high temperature of gunpowder and become invisible after being

dandingbiji

7.7K Views

When a rotary drilling rig is used to drill and pile, why is the hole filled with mud?

haoqiwanhuatong

29 Views

How are the patterns painted on ceramics? #Science #StressRelief #Pottery #LearnSomethingNew

haoqiwanhuatong

12 Views

Are the videos we watched fake? Has wild sex education been fooling us all these years?

danzijihe_04

114 Views

Divers Open Their Mouths To Let Cleaner Shrimps Clean

Sanshunjiadedaguinv

24.7K Views

What modifications can be made to an excavator? #PopularScience #Unzip #LargeMachinery #Excavator

haoqiwanhuatong

50 Views

Why do we cut trees at height? Will there be accidents? #高空伐木 #解压 #科普

haoqiwanhuatong

9 Views