Tea Wallpapers News

Tea Wallpapers wallpapers


How it works

people who study the human body

People are curious. They wonder, they observe, they study, and they learn. One of their favorite subjects is living things. Biology is the study of living things. And one of the favorite subjects of biologists is the human body. Scientists examine dead bodies to see what is inside. Studying the body... read more

how does a calculator work

Calculators translate numbers into binary code to come up with an answer. ... read more

people who study the earth

Throughout history, people have always wanted to understand the planet we live on. They wanted to know why the weather changes from hot to cold and back again. They wanted to know why it rains or snows and what lightning and thunder are. They wanted to know why volcanos erupt and why earthquakes move ... read more

if a nucleus were the size of a marble how big would the atom be

If an atom’s nucleus were the size of a marble, the atom would be over 120 metres across. ... read more

why do computers use binary code

The ones and zeros of binary code are the native language of computer chips. ... read more