tech, startups, internet

Space junk removal is not going smoothly

“After so many decades of the buildup of high-speed clutter in the form of spent rocket stages, stray bolts and paint chips, solid-rocket-motor slag, dead or dying satellites and the scattered fragments from antisatellite tests—all of which could individually damage […]

fun facts

Japan developing wooden satellites to cut space junk

Aluminum particles stay in the atmosphere when the satellites burn up on reentry. “Wooden satellites would burn up without releasing harmful substances into the atmosphere or raining debris on the ground when they plunge back to Earth.” | learn more

big ideas

Planet plastic

“Since 1950, the world has created 6.3 trillion kilograms of plastic waste — and 91 percent has never been recycled even once, according to a landmark 2017 study published in the journal Science Advances.” | learn more

better doing

Improbable things

From Paul Kedrosky: “It’s a big planet and so a lot of weird things that shouldn’t happen, happen all the time. As I like to remind people, on a planet with 7.5 billion people, a billion-to-one longshot potentially happens seven-ish […]

big ideas

Protein from outer space discovered for the first time

Slow down–this does not mean aliens exist. However, it does signal the building blocks of Earth life may have come from space. “Named hemolithin, the new protein contains iron and lithium and may play an important role in seeding life […]

fun facts

Human-sized penguins once waddled the Earth. 

“They found evidence of one in New Zealand, a 60-million-year-old fossil encased in an ultra-hard sedimentary rock. Scientists estimate the bird weighed about 220 lbs (100 kg) and stood just shy of 6 feet (1.77 meters)—pretty hefty for a penguin.” | learn […]

under the microscope

A photon was teleported 500km from Earth to space. 

Einstein derisively called quantum entanglement “spooky action at a distance.” Since his time, the phenomenon has been pretty well documented. Now, researchers in China have achieved entanglement over the longest distance yet, from the Earth all the way to orbit. […]