LATEST ARTICLES

Why do not you tumble overturned?

Why do not you tumble doll overturned ? Everyone can see the phenomenon: the horizontal brick is very stable, erect it upright, it is easy...

Why must the water tower be built so high?

Why must the water tower be built so high? Unscrew the tap, tap water flush the fence. Where does the tap water come from? Surely...

Why pen can ink flow out?

Why pen can ink flow out? When you use a pen to write letters on paper, the ink immediately appears. You must have wondered: why...

Why use straws to suck water Beverages ?

Why use straws to suck water Beverages ? When you use a straw to drink soft drinks, you have a fleeting question: why does the mouth...

Why does the needle easily penetrate other objects?

Why does the needle easily penetrate other objects? Using the tip of the needle to penetrate the paper, the needle penetrated a small hole in...

Why are all roads up to the mountain winding?

Why are all winding? Cars want to run up from the foot of the mountain, cannot run vertically, always follow the winding road to run...

How big is our universe ?

How big is our universe The human mind cannot properly imagine the stature of the universe. Not only was it impossible to even imagine how...

Most Popular

Why Isn’t The Sky Purple?

Why Isn't The Sky Purple? If you know the explanation for why the sky's blue, you've heard that sunlight is white light composed of many...

How does it rain ?

How does it rain ? Plants need it to grow, animals need it to survive, and the human body needs it to stay hydrated and...

Why does colored light often appear in the sky of the North and South poles?

Why does colored light often appear in the sky of the North and South poles? Colored halos from past to present are very attractive to...

Why do clouds have different colors?

Why do clouds have different colors? You must have seen clouds of many colors. There are fluffy white clouds, dark gray clouds, thanks to gray...

Recent Comments