Resolving the sea level rise mismatch

[ad_1] Rising sea levels are an unequivocal consequence of climate change. The warmer water expands as the melted land ice flows into the sea. But what fun would it be if the natural world didn’t complicate matters a bit? A number of processes can cause trends observed on different coasts to vary, from ocean circulation … Read more

Starburst debris has not slowed down after 400 years

[ad_1] Credit: NASA / CXC / Univ of Texas at Arlington / M. Millard et al. Astronomers used NASA’s Chandra X-ray Observatory to record material exploded far from the site of an exploded star at speeds over 20 million miles per hour. This is about 25,000 times faster than the speed of sound on Earth. … Read more

“ Pothole ” in space: Changing Earth’s magnetic field could impact satellites and spacecraft – USA TODAY

[ad_1] ‘Pothole’ in space: Changing Earth’s magnetic field could impact satellites, USA TODAY spacecraft Earth’s magnetic field ‘breach’ puzzles scientists NBC News NASA explores splitting a ‘tooth’ in Earth’s protective magnetic shield [Video]SciTechDaily Scientists say ‘anomaly’ in Earth’s magnetic field splits New York Post ‘Unusually weak point’ in Earth’s magnetic field could endanger satellites and … Read more

NASA takes a ‘big step’ on the way to Mars

[ad_1] NASA took a “big step” on its last mission to Mars, with the space agency successfully powering up the helicopter attached to the Perseverance rover, known as Ingenuity. The six lithium-ion batteries that power Ingenuity were powered up and charged on August 7, NASA said in a statement. It took eight hours for Ingenuity’s … Read more

Watch a little robot powered by alcohol | Science

[ad_1] This et al., Scientific robotics 2020 By Charlotte HartleyAugust 19, 2020 at 2:00 pm Robots tend to be powered by batteries and outlets. But the RoBeetle is a little different. This insect-sized microbot (defined as weighing less than 1 gram) runs on methanol, a type of alcohol commonly found in solvents and antifreeze. Liquid … Read more