Why do manhole covers fly up? Could this be a valid excuse for being late to work?

South China Sea Happy Squid Party

chenshifuluya

11 Views

Not turning it off means it's on?

yizhixiaohanya

5 Views

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

haoqiwanhuatong

5 Views

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

haoqiwanhuatong

30 Views

My sister's spending habits

woshixueyi

16 Views

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

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

13 Views

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

haoqiwanhuatong

22 Views

Super cool mechanical series of speed bumps! 7.18

jixiepangke

21 Views

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

haoqiwanhuatong

10 Views

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

haoqiwanhuatong

12 Views

You hit my wife, I'll hit your son! #LiYouBin #SariNa #XiaoSongJia #ZhuYaWen #NiuLi

aidehuajianying

60 Views

Why does steel need to be rolled repeatedly? #Science #Unzip #Rolling #Forging

haoqiwanhuatong

13 Views

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

haoqiwanhuatong

10 Views

At this moment, a handsome guy was competing with the guy in the video.

tangxiaoyi

27 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

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

haoqiwanhuatong

12 Views

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

haoqiwanhuatong

24 Views

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

haoqiwanhuatong

18 Views