A team of researchers from Sydney’s University of New South Wales and the South Australian Museum have investigated how the reversal of Earth’s magnetic pole about 42,000 years could have changed earth’s atmosphere. CNN reports: “Using the ancient trees we could measure, and date, the spike in atmospheric radiocarbon levels caused by the collapse of Earth’s magnetic field,” Chris Turney, a…
Tag: New South Wales
Upheaval and extinctions linked to magnetic reversal 42,000 years ago
42,000 years ago, a breakdown in Earth’s magnetic field led to environmental catastrophes and mass extinctions. Source: https://earthsky.org/earth/magnetic-field-reversal-42000-years-ago-neanderthal-extinction…
Photographer Captures ISS Passing Between Jupiter and Saturn
During the Great Conjunction event in which Jupiter and Saturn appeared closer to each other in the sky than they have for hundreds of years, photographer Jason De Freitas captured a photo showing the ISS zipping between the two planets. PetaPixel reports: While planning to photograph the conjunction of Jupiter and Saturn, De Freitas realized that he could also include the…
Was this mystery radio signal really from Proxima Centauri?
Astronomers with Breakthrough Listen have detected a mysterious radio signal coming from the direction of the nearest star to the sun, Proxima Centauri. But is it really an alien signal or something more terrestrial? Source: https://earthsky.org/space/wow-signal-2020-blc1-proxima-centauri…
Tesla Powerwall Rival Seeks To Bring Hydrogen Into Your Home
An anonymous reader quotes a report from Bloomberg: It’s about the size of Tesla Inc.’s Powerwall, but can store up to three times as much energy over a longer period. That’s the promise of a new hydrogen-based energy-storage system for homes and businesses being developed by Australian startup Lavo Hydrogen Technology Ltd. The technology, developed with scientists at the University of…
Drone warns surfer of very close encounter with 5-foot shark in Australia
A program that uses drones to warn surfers of nearby sharks recorded a very close encounter off the coast in New South Wales. Source: https://www.livescience.com/drone-warns-surfer-shark-encounter-australia.html
How to see anticrepuscular rays
Next time you see crepuscular rays – sunrays – at sunrise or sunset, turn around. Source: https://earthsky.org/earth/how-to-see-anticrepuscular-rays…
Is it possible to hear meteors?
Can you hear a meteor as it streaks overhead? Some people have reported hearing meteors with a sizzling sound like bacon frying. Scientists now say you can, and explain how it happens. Source: https://earthsky.org/space/whoosh-can-you-hear-a-meteor-streak-past…
These dogs are trained to sniff out the coronavirus
Scientists have been working with professional trainers in South Australia, Victoria and New South Wales to train dogs to sniff out Covid-19. Most of the dogs have a 100% success rate. Source: https://earthsky.org/human-world/dogs-trained-to-smell-detect-coronavirus-covid19…
See how Ramone used online learning to supplement his academic and career pursuits
Meet Ramone, a learner in New York who’s taking courses on Coursera to supplement his PhD program, and to improve his career coaching skills. He shares his story below. Enhancing my knowledge My goal for learning on Coursera was to access additional resources to complete my course work for my PhD. I am a Doctoral […]
The post See how Ramone used…