Solar Jets Cause Standing Waves in Earth’s Magnetic Field

<Audio of magnetosphere> That strange sound? It’s Earth’s magnetosphere—the magnetic field created by the movement of the iron core deep within the planet. The magnetosphere is a shield, protecting us from dangerous cosmic rays. And it vibrates like a drum when jets of charged particles, called plasma, from the Sun crash into it. The theory

A Meteor as Powerful as 10 Nuclear Bombs Exploded in The Sky, And We All Missed It

A few months ago, on 18 December 2018, a massive airburst in the skies above Earth exploded with the equivalent of 173 kilotons of TNT. That’s over 10 times the amount released by the Hiroshima bombing (15 kilotons), and the third largest meteor explosion in over 100 years, coming in behind the 2013 Chelyabinsk explosion

Seeing through a robot’s eyes helps those with profound motor impairments — ScienceDaily

An interface system that uses augmented reality technology could help individuals with profound motor impairments operate a humanoid robot to feed themselves and perform routine personal care tasks such as scratching an itch and applying skin lotion. The web-based interface displays a “robot’s eye view” of surroundings to help users interact with the world through

Huge meteor explosion over Earth last year went unnoticed until now

If a meteor explodes over the ocean and nobody is around to hear it, does it make a sound?James Thew / Alamy Stock Photo By Donna Lu A meteor caused a massive explosion over Earth last year, but nobody noticed until now. It is the second-largest recorded impact in the past century, after the meteor

UK’s air-breathing rocket engine set for key tests

Image copyright Reaction Engines LTD Image caption Artwork: Sabre could enable intercontinental travel at five times the speed of sound The UK project to develop a hypersonic engine that could take a plane from London to Sydney in about four hours is set for a key demonstration. The Sabre engine is part jet, part rocket,

Mind Your “Fs” and “Vs”: Agriculture May Have Shaped Both Human Jaws and Language

The organs of speech are the same for all people, or so linguists have typically assumed. But it turns out that may not be true—in fact, what you eat can change how you talk. The conventional wisdom held in the field of historical linguistics is the vocal apparatus of human beings has remained fixed since

Incredible Virus Discovery Just Changed Our Understanding of How They Can Spread

Viruses are the IKEA furniture of the living world. In the right kind of cell, a handful of instructions and a few molecular tools can churn out multitudes of infectious Billy bookcases.   No DIY builder wants to travel all over town to gather materials – theoretically, germs shouldn’t be any different. Yet a new

China’s great firewall and the war to control the internet

China ranks 42nd in the world for how accessible its internet isQilai Shen/Panos By Douglas Heaven IN MARCH 2015, China turned its Great Cannon on the West. A two-week attack knocked out websites hosting anti-censorship software. The cyberweapon is thought to be part of the same state apparatus as the Great Firewall, software that has

Teenage T. rex was already chomping on prey — ScienceDaily

New research from the University of Wisconsin Oshkosh indicates that even as a teenager the Tyrannosaurus rex showed signs that it would grow up to be a ferocious predator. In a study published last week in the peer-reviewed journal Peerj — the Journal of Life and Environmental Sciences, UWO scientists reported evidence that a juvenile

Wildlife World Zoo: Jaguar attacks selfie-taker

Image copyright Getty Images Image caption The zoo confirmed that the animal would not be punished (file photo) A woman who stepped over a barrier to take a selfie at a zoo in Arizona, US, has been attacked by a jaguar. It happened on Saturday and the woman’s injuries were not life-threatening. When she crossed

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