A fact is something that is known to exist or to have happened, about which there are enough information and proof. For example, “Mars is a planet” is an astronomical fact, and “the word alien contains three vowels” is a...
We live in a world where anyone can reach any destination from any part of the place within hours. In a way, the world is really small. But is it safe? A society without crime is something we call utopian society, where there is equality in every...
A base, in chemistry, refers to any substance that releases hydroxide ions (OH−) when dissolved in water or aqueous solution. Many bases, however, don’t readily carry hydroxide ions, but they too produce high levels of OH− when treated with...
Albert Einstein started his journey from Ulm, a city in the state of Baden-Württemberg, Germany, on March 14, 1879. He started showing signs of brilliance from a young age. During his entire scientific career, Einstein produced an astonishing number...
“Anything that can go wrong will go wrong” is a phrase you most likely have heard at least once, it’s also likely that you’re aware of its relevance to Murphy’s Law. But what exactly does it mean, and how it affects our...
Since the beginning of space exploration, we have achieved a great many things from successfully launching people on the moon to landing rovers on Mars and Titan, one of the natural satellites of Saturn. Today, we have human-made satellites all over...
Mirrors reflect certain wavelengths a little more than the rest. These wavelengths lie in the range of 495 – 570 nanometers, which the human eye perceives as green. So technically, most common mirrors are faintly green. You probably have...
Life on Earth has never been ‘invulnerable’. For the past few million years, our planet has been on the receiving end of many catastrophic events that eradicated a substantial portion of life forms from its surface. Scientists believe...
Lasers are intense beams of concentrated light. These beams are powerful enough to cut through lumps of metal and zoom miles into the sky. Although laser technology seems new, it has been with us for nearly six decades: the first practical laser was...
Although Alexander Graham Bell is generally credited for inventing the telephone, it was the culmination of research done by many individuals. Antonio Meucci, Johann Philipp Reis, Innocenzo Manzetti, and Elisha Gray made significant contributions...
