Finland built this tomb to store nuclear waste. Can it survive for 100,000 years? | Science

A version of this story appeared in Science, Vol 375, Issue 6583. After passing through a security gate, the van descends into a tunnel that burrows under the forests of Olkiluoto, an island off Finland’s west coast. The wheels crunch on crushed stone as a gray, wet October day gives way to darkness. “Welcome to … Read more

Roc soars again: Biggest airplane ever built aces 4th test flight

The biggest airplane ever built, Stratolaunch’s Roc carrier aircraft, just aced its fourth test flight. Roc, which will eventually haul hypersonic vehicles into the air, successfully finished its latest flight on Thursday (Feb. 24), a jaunt that came on the heels of another test flight in January. Roc lifted off from the Mojave Air and … Read more

Scientists Built a Coronavirus From Scratch, Then Saw It Trying to Hide

If you want to truly understand what makes a machine tick, you need to tinker. Swap gears, lock a lever, loosen a spring, and watch how it goes. When the machine is a deadly virus, you can’t afford to be so cavalier with its molecular clockwork. But researchers are getting around this problem by making … Read more

Scientists Built The World’s Tiniest Antenna, And It’s Made Out of DNA

Scientists have built the tiniest antenna ever made – just five nanometers in length. Unlike its much larger counterparts we’re all familiar with, this minuscule thing isn’t made to transmit radio waves, but to glean the secrets of ever-changing proteins.   The nanoantenna is made from DNA, the molecules carrying genetic instructions that are around … Read more

James Webb Space Telescope, the biggest ever built, fully unfolds giant mirror to gaze at the cosmos

Astronomers and space fans around the world can breathe a sigh of relief: The James Webb Space Telescope is now fully deployed. The $10 billion NASA observatory unfolded the second “wing” of its massive primary mirror today (Jan. 8), bringing the light-collecting structure up to its full size and marking the end of the mission’s … Read more