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Researchers have used the strongest magnetic field ever measured to search for exotic particles called magnetic monopoles, but they came up empty Physics 2 February 2022 By Leah Crane Accelerator beam pipes at the Large Hadron Collider at CERN near Geneva, Switzerland Daniel Dominguez/CERN The strongest magnetic field ever measured anywhere in the universe has … Read more
Uranus and Neptune are the most twin-like of all the planets in the Solar System. They are almost the same size and mass, have similar compositions and structures, even similar rotation rates. Which makes one glaring difference quite perplexing. Neptune is a fetching shade of azure, with visible swirling storms. Uranus is more of … Read more
A mysterious particle thought to have existed briefly just after the Big Bang has now been detected for the first time in the ‘primordial soup’. Specifically, in a medium called the quark-gluon plasma, generated in the Large Hadron Collider by colliding lead ions. There, amid the trillions of particles produced by these collisions, physicists managed … Read more
When you think of the word “ephemeral”, many people will immediately conjure up the image of a soap bubble: delicate, gorgeous, and gone in a blink (or maybe a few). Now a team of physicists led by Aymeric Roux of the University of Lille in France has defied this cliché, creating a bubble that maintained … Read more
With the rapid spread of Omicron, many countries are rethinking their COVID mask advice for the community. Respirators have been mandatory in public places in Austria for a year. Now, the United States Centers for Disease Control and Prevention suggests respirators be considered for greater protection, for instance, on public transport or in enclosed crowded … Read more
Planetary-scale engineering schemes designed to cool Earth’s surface and lessen the impact of global heating are potentially dangerous and should be blocked by governments, more than 60 policy experts and scientists said on Monday. Even if injecting billions of sulphur particles into the middle atmosphere – the most hotly debated plan for so-called solar radiation … Read more
With the enhanced virulence of the Omicron variant, some experts are urging us all to upgrade cloth and surgical masks to the much more protective N95s, but supply remains a concern. The limited supply is why this advice has so far been held back, but a new study may make this more feasible – suggesting … Read more
Before Earth and the other planets in our Solar System existed, the Sun may have been surrounded by giant rings of dust similar to Saturn’s, according to a new study. Those rings of dust may have prevented Earth from growing into a “super-Earth” – a type of planet that is about twice the size of Earth and … Read more
Scientists have observed a stunning demonstration of classic physics giving way to quantum behavior, manipulating a fluid of ultra-cold sodium atoms into a distinct tornado-like formation. Particles behave differently on the quantum level, in part because at this point their interactions with each other hold more power over them than the energy from their movement. … Read more
“The last star will slowly cool and fade away. With its passing, the Universe will become once more a void, without light or life or meaning.” So warned the physicist Brian Cox in the recent BBC series Universe. The fading of that last star will only be the beginning of an infinitely long, dark epoch. … Read more