The rule of the game in the universe is that energy never comes from nowhere and never really disappears. It simply changes from one form...
The human brain is not really a reliable clock: depending on our emotions or experiences, the perceived time changes completely. When we are bored or...
An uninsulated electric cable is like a saucepan without a handle: dangerous to touch bare. Good insulation prevents direct contact with live electrical conductors, which...
Tomatoes primarily consume nitrogen, while basil likes to draw other minerals like magnesium or calcium. This prevents them from competing for nutrients. As a result, each plant...
The story dates back to 1666, when Isaac Newton is said to have seen an apple fall from a tree in his family garden in...
When an object heats up, its molecules begin to vibrate more, which often leads to expansion: the object increases in volume but retains the same...
When light hits a mirror, it bounces off following a very simple rule: the angle of incidence (that is, the angle at which the light...
When you rub your fingers together, you exert a mechanical force. This action creates a resistance called friction, which opposes motion. As a result, some...
All matter is composed of tiny particles: atoms. Each of them consists of a positively charged nucleus, and around it, negatively charged particles called electrons...
A mirage is primarily an optical effect caused by the refraction of light. When a light ray passes from a layer of warm air to...
