Science facts


Train Facts

July 7, 2012 | In: Science facts

The history of rail transport dates back 500 years ago, and includes systems with man or animal power, and mostly wood and stone rails. Modern rail transport appeared in the first half of the 19th century, in England. At first, trains carried freight...

When you go to your grandparents, you use a car, a train or a plane. When you get dressed in the morning, you're faced with a dilemma. When you eat, you have millions of possibilities from which to choose. But how often do you think about the people...

In 1882 Lindeman proved that Pi was transcendental, that is, that Pi is not the root of any algebraic equation with rational coefficients. This discovery proved that you can't "square a circle", which was a problem that occupied many mathematicians up to...

Have you ever noticed that people will sometimes say of a child, "Oh, she certainly has her father's eyes," or "He sure has his mother's nose." On first thought this is strange, for it seems reasonable to assume that a long-nosed father and a...

Do you think you could make an accurate prediction about what amazing things will happen in the next 100 years? It wouldn't be easy, but Jules Verne, the father of science fiction, did a good job of it in his own era. Before Verne, there had been...

While stepping into a public bath in the third century B.C., the Greek scientist Archimedes noticed how submerging his foot caused water to run over the side. He realized that the volume of water displaced was equal to the volume of the object...

When Michael Faraday (1791-1867) built the first simple electrical generator and then the first electrical motor, is it possible he could have imagined how his inventions would change the world? Without electric motors and generators, the world would...

Using theories and observations from many scientists, this theory has been proven time and again. Despite some flaws, the Big Bang provides a simplistic and logical explanation regarding the origin of the Universe. This theory was born of the...

The shortest unit of distance is the "Planck Length," which is the distance scale at which the known laws of physics break down, and we can no longer describe the structure of space and time. It's named after Max Planck, the physicist who first proposed...

There is a saying that "it is better to be lucky than smart." It may not really be better, but the story of nylon seems to show that it certainly helps. The story began when Wallace Hume Carothers was brought to the Du Pont chemical company. Carothers...

You can't see it, smell it or taste it. But don't let the insidious signs of carbon monoxide poisoning fool you. Exposure to carbon monoxide can be lethal. Taking steps to prevent and detect carbon monoxide exposure is important to ensure a healthy home...

Even though you can't see it, air is not just empty space. Air is stuff! Air is a fluid, like water. Although its invisible, air is made of tiny particle and molecules that have mass and weight. Mass is the amount of stuff something is made...