Physics/Chemistry/Technology

Wind Chill can be defined as the cooling effect of the wind and temperature combined. This windless, low temperature is also known as wind chill factor. It is a measure of the heat loss rate from the skin which is exposed to the...

Cosmic Rays can be defined as high energy subatomic particles which originate outside our atmosphere and keep bombarding the earth. Most of them consist of single protons. A few consist of helium nuclei and just one percent consist of electrons entirely. These rays sometimes come from the Sun...

Transition Metals can be defined as a group of elements in the periodic table that are located at the center of the table including columns 3 through 12. They include metals like copper, titanium, silver, platinum, nickel etc. They...

The Spitzer Space Telescope is a space-borne, cryogenically-cooled infrared observatory. It can study objects ranging from our Solar System to the far reaches of the universe. This telescope is a part of

When you think of fast food, what do you think of? Most of us think of burgers and fries. But who invented the first hamburger? How did it become so popular?   Fun Facts ...

You pop in some leftovers, press the 30-second button, and voila—a hot meal! Microwaves are a wonder, but would you believe they were accidentally invented by scientists working on top-secret war equipment?   Fun Facts During World War II in

The earliest cars had almost no safety features. They couldn’t go very fast – 20 mph, tops – but even at these low speeds, a crash could be deadly. The cars of the 1940s and 50s were big and heavy. Their...

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...