The coldest place in the Universe moves back on Earth

Scientists from the University of Bremen set a new low-temperature record. They cooled matter in a tower to an extremely low temperature: 38 trillionths of a degree warmer than absolute zero. Nowhere in the universe can be any colder, so the coldest place in the Universe moves back on Earth again.

The science of the perfect piano sound

A grand piano has always been viewed as a symbol of class in anyone’s home. The sleek design and polished aesthetics add a look of luxury to any room and when played in the perfect space it can create a phenomenal sound that travels magnificently through your home. There is an unmatched sound that comes …

Why we can stop worrying and love the particle accelerator

What would happen if you stuck your body inside a particle accelerator? The scenario seems like the start of a bad Marvel comic, but it happens to shed light on our intuitions about radiation, the vulnerability of the human body, and the very nature of matter. Particle accelerators allow physicists to study subatomic particles by …

How Earth Could Die – 12 Horrible Ways

Now we’re living on a warm, hospitable planet. As Carl Sagan has said “That’s home. That’s us. On it everyone you love, everyone you know, everyone you ever heard of, every human being who ever was, lived out their lives.” We, humans, are the unquestionable rulers of our little oasis in a hostile universe. But …

The Melting Points of 80 Elements, Substances, and Metal Alloys

Have you ever wondered why plastic melts in a bonfire, but a cast iron pan doesn’t? A bonfire can reach temperatures as hot as 2,012 °F (1,100 °C). Most PET plastic melts at a measly 491 °F (255 °C), so it doesn’t stand a chance! Cast iron prevails with an average melting point of 2,100 …