The Sun is a turbulent place. Hot plasma is constantly in motion, wells up from the hot interior of our star, cools and sinks down again. In the photosphere, the visible surface of the Sun, these ...

While GPS tracking tends to be ineffective inside buildings, alternative indoor positioning solutions require the presence of Wi-Fi network access points or other beacons ... or at least, that was the ...

Light and shadow, good and bad, yin and yang – some opposites need each other. Physics also has an inseparable pair of opposites: the north and south poles of a magnet. To date, physicists have never ...

The compass has been around since at least the 12th century, but scientists still don't know exactly how the Earth generates the magnetic field that keeps a compass needle pointing north. But ...

Researchers demonstrate a new way to enhance the energy efficiency of the non-volatile magnetic memory. Researchers at Pohang University of Science and Technology (POSTECH) and Seoul National ...

[Long Haired Hacker] has undertaken a high-resolution 3D printer build. He got his hands on some motors to drive the build platform but it doesn’t have a built-in encoder. He knows that optical ...