Physics/Chemistry/Technology

Band-Aids are a staple product for fixing kids’ skinned knees, but they weren’t always around. Before Band-Aids, people tied strips of cotton or muslin to a wound. Before that, people even used natural materials, such as leaves, to dress wounds. So, who invented the first...

Whether you enjoy the chore of vacuuming or not, there’s no doubt this invention has made it easier to keep a home clean. But have you ever wondered who invented the vacuum?   Fun Facts The first vacuum was invented in 1902 by Hubert Cecil Booth. Booth...

Radio Waves are a type of electromagnetic waves. Many people confuse radio waves with sound waves but both are different. They are considered to be one of the most important inventions. James Clerk Maxwell was...

The Big Bang theory explains how the universe started in a scientific way. According to this, many astronomers believe that the universe started about 14 billion years ago in a big bang. Our entire universe was believed to be inside an extremely small and dense bubble. All of a sudden, it...

Each and everything that exists in this world consists of atoms. They are the smallest particles that make up an element. The word atom has been derived from a Greek word atomos that means uncuttable. These particles are named so because they are undividable and described as the basic unit of...

Human lives were not as convenient and fun in ancient times as we know it today. Certain inventions played an important role in making all the differences from being medieval to being modern humans. Some important inventions in the field of electricity are listed below with the name of their...

Sir Isaac Newton was one of the most influential scientists of his time. He introduced many theories which are useful in our daily life. He is best known for defining

An interference pattern caused by the reflection of light between two surfaces, a spherical and an adjacent flat surface is known as Newton’s Rings. These patterns are formed by light incident on the thin film of air between the convex surface of a convex lens and a flat glass plate. These...

Look at the edges of an axe. What do you see? If you said an inclined plane, you’d be on the right track. Wedges are similar to inclined planes, but there are some differences. An axe is actually two inclined planes put together. An...