With the help of technology, we can tune into the hidden sounds of our planet, from the pull of the moon on our mountains and cities to a silent rumble so deep and powerful, it can move the earth ...

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LONDON — Japan is on track to beam solar power from space to Earth next year, two years after a similar feat was achieved by ...

What’s inside a PNG file? Graphics, sure. But how is that graphic encoded? [Evan Hahn] shows you what goes into a single black pixel inside a 67-byte file. Why so many bytes? Well, that is ...

These portable chargers and power banks give you the most boost when you're out of juice. I’m a Mobile Analyst at PCMag, which means I cover wireless phones, plans, tablets, ereaders ...

The sloshing of metal-rich fluid in the outer core generates electrical currents that power Earth’s magnetic field, which ...

[Guido Socher] built himself a great little bench power supply that’s able to put out 30 Volts at 2 Amps. Instead of taking the easy way out by putting a few taps on an ATX power supply ...

A power supply for electronic devices. Also called an "AC adapter" or "charger," power adapters plug into a wall outlet and convert AC to a single DC voltage. Computers use multiple DC voltages ...

The boundary between the two lies about 465 miles (750 kilometers) beneath the Earth's surface. The crust is the outermost layer of the Earth. It is the familiar landscape on which we live ...

Earth will get a second moon for about two months this year when a small asteroid begins to orbit our planet. The asteroid was discovered in August and is set to become a mini-moon, revolving ...

magic is just another fact of life in Middle-earth, too familiar to even remark on most of the time, but always thoroughly present. The Rings of Power, by contrast, feels terrified of the magic ...

Unusually strong solar storms create stunning auroras visible in unexpected locations, with more displays likely in coming ...