Ever since I was a child, I used to sit and watch the washing machine when mom operated it. I really liked seeing the clothes rotating inside it. Frankly speaking, I never knew how it...
In 1593, the Italian astronomer Galileo invented the first thermometer, called the sensor, but it was not highly accurate. It was developed in 1641—alcohol was used as an indicator. In 1714, Daniel Gabriel Fahrenheit invented...
Type of Activity: Physics
The reaction of passengers in a bus when it suddenly stops or moves. Wearing seat belts. Why we wear a seat belt.