History of Indian Flag

“A flag is a necessity for all nations. Millions have died for it. It is no doubt a kind of idolatry which would be a sin to destroy. The National Flag of India is a horizontal rectangular tricolour of India saffron, white and India green; with the Ashoka Chakra, a 24-spoke wheel, in navy blue at its centre. The flag is based on the Swaraj flag,…

Ocean Confetti

PLASTIC IS A RELATIVELY NEW MATERIAL to the world, and it’s an incredibly durable material, and it doesn’t rust or biodegrade, which is why we’ve produced so much of it. But the very features that make it so useful to humans make it dangerous for the rest of the world, and it turns out that about…

Instant Water Freezing

Water doesn’t always freeze when it’s supposed to. You can cool water below its stated freezing point and then crystallize it into ice on command. This is known as supercooling. Supercooling, a state where liquids do not solidify even below their normal freezing point, still puzzles scientists today. A good example of this phenomenon is found everyday in…

The Hottest Place on Earth

The Earth has a lot of warm places: forest fires, lava flows, iron foundries, the inside of your toaster oven, nuclear reactors, and so forth. But, if we’re just talking about regular, old, sun-heats-the-Earth climate and weather, where on the Earth’s surface is hottest? The winner for the hottest square kilometre on Earth? Not Furnace Creek…

The Pizza Theorem

Surely you have found yourself in a situation in which you are sharing a pizza with other people and cutting it asymmetrically; how do you know if you are eating more, less or the same amount as everyone else? To answer this question, we can count on the help of two American mathematicians: Rick Mabry…

The Pizza Equation

Most of us tend to order a pizza based on the amount we plan to eat—and there’s nothing wrong with that—but if you’re trying to make your dollar stretch as far as it can, your best bet is to just order the biggest one you can buy. Why? The increase in size to cost always…