After a decade of silence, one of the most powerful magnets in the universe suddenly burst back to life in late 2018. The reawakening of this “magnetar,” a city-sized star named XTE J1810-197, born from a supernova explosion, was an incredibly violent affair. The snapping and untwisting of the tangled magnetic field released enormous amounts ...
All magnets — from the simple souvenirs hanging on your refrigerator to the discs that give your computer memory to the powerful versions used in research labs — contain spinning quasiparticles called magnons. The direction one magnon spins can influence that of its neighbor, which affects the spin of its neighbor, and so on, yielding ...
A potentially better way to make oxygen for astronauts in space using magnetism has been proposed by an international team of scientists, including a University of Warwick chemist. The conclusion is from new research on magnetic phase separation in microgravity published in Nature’s affiliated npj Microgravity journal by researchers from the University of Warwick in the United ...
The safety of kids’ toys is one of the main concerns for parents. In the U.S., regulations mandate that toymakers follow strict procedures to ensure that products do not end up harming kids. If you are a parent, it is important that you understand how kids’ toys made from different materials pose a threat to ...
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