Science

How do batteries work?

Batteries are modified form of electrochemical cells, which are capable of generating electricity due to continuous chemical reactions within them. The working principle of batteries is related to chemistry. This is better explained in terms of “Redox” reactions. The “Redox” reactions are a combination of […]

Why does salt melt ice?

Water freezes and melts at zero degree. Unless the conditions are changed water does not freeze or melt, and a balance is maintained. Now if the temperature is lowered ice/water mixture will start forming ice and if temperature is increased ice/water mixture starts melting. If […]

How do fireworks work?

Around 12th century, fireworks were invented by China to scare away the evil spirit or devils. Firecrackers mostly have black powder or flash powder with many other metals, which were wrapped in a tight paper tube with a fuse to light the powder. The black […]

Why do we need protein?

Without protein our body cannot function properly. Our body nerves, tissues, bones all are made up of proteins. So proteins become very necessary for them to grow and repair. It also used to produce some hormones and enzymes in our body .proteins are made up […]