Sharpest image of most massive known star reveals its true size

Astronomers have taken the sharpest images ever of the most massive star in the known universe. With these new images, the scientists were able to refine just how big this star is, and in the process revise our ideas of how big it’s possible for stars … Continue reading Sharpest image of most massive known star reveals its true size

NASA’s new solar sail design bends light to propel spacecraft efficiently

NASA has selected a fascinating new project for further development, known as the Diffractive Solar Sail. By bending light before it hits the sail, this device could propel spacecraft more efficiently than conventional propulsion technologies.Continue … Continue reading NASA’s new solar sail design bends light to propel spacecraft efficiently

Squid camouflage-inspired sticker can tell when you’ve had too much sun

The dangers around spending too much time in the sun are well established, and over the years we have seen a number of interesting technological solutions that alert the user when they should make for the shade. Scientists at Northeastern University ha… Continue reading Squid camouflage-inspired sticker can tell when you’ve had too much sun

$4 solar desalination system produces a family’s daily drinking water

Desalination is being explored as a way to solve the shortages of drinking water that plague much of the world, but it has a few issues to iron out. A new design for a solar-powered desalination device prevents the build-up of salt, making for an effic… Continue reading $4 solar desalination system produces a family’s daily drinking water

Ancient ice reveals powerful solar storm during Sun’s “quiet” phase

The Sun is capable of some worryingly powerful outbursts. In ice cores from both ends of the planet, scientists have discovered evidence of an extreme solar storm that struck Earth around 9,200 years ago, and strangely, it seemed to have occurred durin… Continue reading Ancient ice reveals powerful solar storm during Sun’s “quiet” phase