Everything in the universe is made of matter, which can be described as any substance having mass and volume. The matter exists in three fundamental phases: gas, liquid, and solid. Apart from these, the matter can be either a pure substance or...
For years, many influential personalities such as Bill Gates, Elon Musk, Mark Zuckerberg have advised their followers and audiences to read books. For them, books don’t just help people become successful in life, but it also nurtures the...
Waves can be described as propagating dynamic disturbances of one or more quantities. The scientific study of waves dates back to the 17th century, although its concept was around for much longer. There are many shapes and forms of waves that one...
In physics, waves refer to disturbances in a medium carrying energy without a net movement of particles. The two most common types of waves are electromagnetic and mechanical waves. Both transmit information, energy, and momentum, but they do not...
The past two centuries have produced some of the most incredible inventions ever developed in human history. Many significant ones came to life in America. From vaccines and medicines to electronic devices and deep space exploration, many American...
Nitric Acid is a strong acid with a PH of about 3.01. It is a ‘sticky’ molecule that readily absorbs to surfaces, specifically if there is water on the surface. The physical state of a pure nitric acid is a colorless liquid, but older...
Carbon nanotubes are cylindrical molecules made out of rolled-up sheets of graphene. They are the stiffest and strongest materials yet synthesized. They have unique electrical and thermal properties. These nanotubes can have a variety of...
The term ‘metal’ is derived from the Greek word ‘metallon,’ which means ‘to extract’ or mine from the ground. Our planet contains plenty of metal. In fact, out of 118 elements in the periodic table, about 95 are...
Benjamin Franklin gets all the credit for discovering electricity, but all he did was establish a link between lightning and electricity. Charles François Fay, Luigi Galvani, Alessandro Volta, Michael Faraday, Thomas Edison, and Nikola Tesla made...
The hardness of any mineral is defined by its Mohs scale number: harder the mineral, higher its Mohs number. The Mohs scale was devised by a German geologist and mineralogist Friedrich Mohs in 1812. It works by analyzing the ability of a material to...
