Even when we are asleep, our eyes though closed can sense light versus dark, which

An ATM (automated teller machine) is a machine that helps you take out money from

An automatic faucet, also called a touchless tap, is like a magic tap that turns

A CCTV (closed circuit television) camera is like a magic eye that watches over a

Time travel is a fascinating idea from science fiction, but in reality, it is complex.

The brain stores memories by creating connections between brain cells, called neurons.

Caves are large hollow spaces underground that take thousands of years to form.

Automatic doors are common in malls, hospitals, hotels, banks and airports.

When we see or even think about food, our brain sends signals to the salivary

Traffic lights help vehicles move safely on the roads.