Photo Of The Day: The Nuclear Weapon So Deadly It Had To Be Banned

Peacekeeper Missile Test

These eight lights are actually unarmed nuclear missiles shooting into the atmosphere. Image Source: Wikimedia Commons

The Peacekeeper missile is anything but peaceful.

These eight lights beaming down on the Marshal Islands like a scene from War of the Worlds is not a sight you’d ever want to see in person. Thankfully, the above photo captured only a test of the eight re-entry vehicles from a single Peacekeeper missile — a missile so deadly the United States agreed to destroy all of them by 2003 as part of the Strategic Arms Reduction Treaty II.

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Then And Now: The World’s Very First Computer Vs. Today’s Supercomputers

First Computer

The Electronic Numerical Integrator And Computer (ENIAC), the modern age’s first computer. Image Source: Wikimedia Commons

It’s virtually impossible to imagine what the world would look like today without the computer. Though you might not think it, everything from the food we eat to the football helmets we wear to the rockets we send into space needed a computer’s help in some way. Needless to say, history’s very first computer, the Electronic Numerical Integrator And Computer (ENIAC), is on a very short list of the most important inventions humans have ever made.

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Video Of The Day: This Marble Machine Makes Magical Music

The sound of 2,000 marbles has never been so euphoric.

Martin Molin — from the Swedish musical act Wintergatan — debuted his Marble Music Machine on YouTube last week. Since then, the world has gained a new respect for the old tradition of the humble hand-cranked wooden music box.

Molin’s machine is far more than your average music box, however. A complex series of shoots, levers, and pulleys lift and drop each marble with the precision and consistency of a well organized assembly line. The marbles then get back in position, waiting in line for their next opportunity to once again pass the checkpoints and strike a note. Vibraphone bars, the strings of a bass guitar, and various percussion instruments are hit in time by the marbles with the turn of each gear.

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