Why is it so easy to fall into the water when skydiving from a bridge? #Science #Relief #ExtremeSpor

Learn to make a wish by tossing a coin in 3 minutes, and you will definitely win and accumulate meri

bideerjiedao

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

haoqiwanhuatong

5 Views

Why did the steel fly so high in the flying steel accident? #Science #Unzip #RollingSteel #FlyingSte

haoqiwanhuatong

13 Views

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

haoqiwanhuatong

10 Views

Why can the fountain stone ball rotate? #Popular Science #Unzip #Physics #Fountain Stone Ball #Trivi

haoqiwanhuatong

10 Views

Can cliff skiing cause an avalanche? #Science #Unwind #CliffSkiing #Avalanche #Trivia

haoqiwanhuatong

22 Views

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

haoqiwanhuatong

26 Views

Why are the joints of steel cables so strong? #Science #Unzip #SteelCable #MachineryManufacturing #E

haoqiwanhuatong

21 Views

How are mooring ropes secured? #Science #Unzip #MooringRopes #Ship

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

32 Views

Why does a well spout gas? #Science #StressRelief #Drilling #Well Blowout #FunFacts

haoqiwanhuatong

23 Views

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

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

13 Views

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

haoqiwanhuatong

24 Views

They say diamonds are forever, but they can be burned and broken.

haoqiwanhuatong

30 Views

How to lay a qualified asphalt road? #Science #Unzip #Paving #Knowledge

haoqiwanhuatong

17 Views

Some lawns are dyed green, and others have their turf replaced in patches.

haoqiwanhuatong

9 Views

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

haoqiwanhuatong

24 Views

Why does steel slag when forging iron? #Science #Unzip #Forging #ExtremeComfort

haoqiwanhuatong

14 Views

Why do two people need to swing the hammer when forging iron? #Science #Unzip #Ironmaking #Forging #

haoqiwanhuatong

18 Views