physics

Read Richard Feynman's Best-Known Lectures For Free

Briefly: In 1964, Richard Feynman gave a series of seven, hour-long lectures at Cornell University that have gone down in history as a wonderfully accessible introduction to physics. Now, you can read them online for free.


TNT-Coated Carbon Nanotubes Could Generate Future Electricity

Light the touchpaper and stand well back, because we’re about to… make sustainable electricity? That’s the idea according to a researcher from MIT, whose vision for future power generation involves a healthy dose of TNT.


Schrödinger's Cat, Caught On Camera

While quantum mechanics is tough to get your head round, you probably know about Schrödinger’s poor old cat: left in a box, both alive and dead at the same time. Well, now there’s a picture of the ill-fated feline.


Physicists Want To Know If We're All Actually Living In A Hologram

Although it sounds entirely like something dreamed up in a smoke-filled dorm room, whether the entire universe is hologram is a very serious question — a question that gets at the heart of a fundamental problem in physics. A new experiment starting up at Fermilab just might hold the answer.


Physicists Use Lasers To Chill The World's Coldest Molecules

If you thought last winter was cold, you should stay as far away from magneto-optical trapping as possible. Yale physicists recently used this technique to cool a molecule of strontium monoflouride down to 2.5 thousandths of a degree above absolute zero. That makes them the world’s coldest molecules.


How The Hell Does Quantum Mechanics Work Anyway?

People that know about quantum mechanics tend to talk about it very breezily, leaving us mortals behind. Be left behind no longer though with this wonderful little video.


NASA Scientists Find The First Interstellar Space Particles

NASA has identified for the first time seven rare, microscopic interstellar dust particles — that date to the beginnings of the solar system. The particles have been identified amongst samples obtained by NASA’s Stardust spacecraft, which returned to Earth back in 2006.


New Li-On Material Survives 30 Times The Charges Of Current Batteries

Aside from capacity, the worst thing about batteries is that they degrade with time, holding less power with every charge. But now scientists have developed a lithium ion material that can endure 30 times as many charge cycles as current cells.


Can Atoms Ever Touch?

There’s a very commonly held view that atoms can never touch: bring them together slowly, and you reach a point where they begin to repel. But in this video Professor Philip Moriarty explains that really isn’t the case.


You're Looking At The Changing State Of A Qubit Over Time

Briefly: This may look like some kind of rainbow top hat, but in fact you’re looking at the changing state of quantum bit — a qubit — over time. This experiment helps predict how quantum systems evolve, and may help us steer and control them more effectively in the future.[Nature via New Scientist]


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