Bose's Mother's Day sale is still on, plus more of the best headphones deals this week
UPDATE: May. 13, 2023, 5:00 a.m. EDT This post has been updated with the latest
2023-05-13 00:59
Thought Leaders at Zayed Sustainability Prize Forum Highlight Pathways to Drive Progress for People and Planet
NEW YORK--(BUSINESS WIRE)--Sep 21, 2023--
2023-09-22 02:59
US Boosts Biodiesel Quotas Only Modestly Despite Lobbying Frenzy
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The Meta Quest 2 just got $100 cheaper
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2023-06-04 17:59
Scientists are one step closer to creating a bonafide time machine
They may not be as stylish as a DeLorean or as sturdy as a blue police box, but wormholes in space could hold the key to real-life time travel – and a team of experts think they’ve figured out how. The trio of scientists delved deep into the laws of physics and discovered that it might be possible for humans to one day zip across galaxies in a matter of seconds, or journey through time itself. Now, this is all to do with the general theory of relativity and quantum physics, so don’t expect to get your head around it too easily. However, in their paper, Valeri P. Frolov and Andrei Zelnikov of Canada’s University of Alberta, and Pavel Krtouš of Prague’s Charles University proposed that a specific kind of wormhole would “inevitably” be “transformed into a time machine” if it was subject to particular conditions. Sign up for our free Indy100 weekly newsletter For the uninitiated, wormholes can be described as spacetimes in which a “kind of tunnel exists connecting distant parts in the universe”. The main problem with them is… they don’t actually exist. At least not in any tangible way. As Drs Eric Christian and Louis Barbier put it in an explainer for NASA: “Wormholes are allowed to exist in the math of ‘General Relativity’, which is our best description of the Universe. “Assuming that general relativity is correct, there may be wormholes. But no one has any idea how they would be created, and there is no evidence for anything like a wormhole in the observed Universe.” Still, numerous experts in the field of gravitation and general relativity have spent years or even decades working on them, including Stephen Hawking in his time. For their paper, Frolov, Krtouš, and Zelnikov explored what is known as a ring wormhole, which was first described in 2016 by theoretical physicist Gary Gibbons, of Cambridge University, and Mikhail Volkov of the University of Tours. Unlike the spherical contortions of spacetime we might attribute to black holes, the ring wormhole proposed by Gibbons and Volkov connects sections of the universe (or, indeed, different universes) which are generally described as “flat”, as ScienceAlert notes. Ring-shaped masses could potentially create some pretty remarkable distortions in what would otherwise be flat spacetime if you consider how their electrical and magnetic fields might interact. And so Frolov, Krtouš, and Zelnikov decided to consider two types of such wormholes: “a wormhole connecting to flat spaces; and a wormhole connecting two distant domains in the same space”. For the latter, they concluded that if a “massive thin shell” surrounded one of the mouths of the ring wormhole, a “closed timelike curve” would form. This, as the name suggests, would mean that any travelling object (or ray of light) would come back to the exact same point whence it began. In other words, you could travel in space and time and return to your point of departure. The most exciting aspect of ring wormholes, as the authors point out is that: “For the ring wormhole an observer passing through it moves in a flat (or practically flat spacetime), while in the case of ‘standard’ (spherical) wormholes he/she should pass a domain filled with the matter violating the null energy condition.” Even without knowing what the “null energy condition” is, you can appreciate that the first option sounds a lot simpler. Now, before you start calling yourself Marty McFly or making a list of all the past mistakes you’d like to correct, we should stress that we’re a long way off seeing the creation of a bonafide, buckle-your-seatbelt time machine. But at least, thanks to the efforts of experts like Frolov, Krtouš, and Zelnikov, we’re at least one step closer to going back in the future. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-07-17 20:18
Apple supplier Foxconn to invest $500 million in India's Telangana state
BENGALURU (Reuters) -Apple Inc supplier Foxconn will invest $500 million to set up manufacturing plants in the southern Indian state
2023-05-15 13:51
Apple loses London appeal in 4G patent dispute with Optis
LONDON Apple Inc infringed two telecommunications patents used in devices including iPhones and iPads, London's Court of Appeal
2023-07-04 21:45
Scientists say drinking coffee gives ‘special boost’ to the brain
If you’re anything like us, the first coffee of the day is the only thing that can get us up on a morning – and it turns out, there’s real science behind it. Everyone knows that coffee can give us a welcome caffeine hit, but it’s now been revealed that the drink also gives us an extra ‘special boost’ too. Scientists have claimed that the act of drinking a cup of joe gives the body a lift, making us more alert, which can’t be replicated merely with caffeine. In fact, new research shows that drinking hot coffee activates additional areas of the brain. Sign up to our free Indy100 weekly newsletter Scientists from the University of Minho in Portugal and elsewhere looked into the effects of coffee outside of just caffeine content as part of a study – and they found that plain caffeine didn’t have the same impact. In fact, a cup of coffee also influenced working memory and goal-directed behaviour. “There is a common expectation that coffee increases alertness and psychomotor functioning. When you get to understand better the mechanisms underlying a biological phenomenon, you open pathways for exploring the factors that may modulate it and even the potential benefits of that mechanism,” study co-author Nuno Sousa explained. Experts said that drinking coffee actually increased the connectivity in the brain’s more advanced nerve network controlling vision, and other parts involved in working memory, cognitive control and goal-directed behaviour – something not found when participants only took caffeine. Researchers also said that if subjects wanted to not just feel alert but ready to go, caffeine alone might not do the job. “Acute coffee consumption decreased the functional connectivity between brain regions of the default mode network, a network that is associated with self-referential processes when participants are at rest,” study co-author Maria Picó-Pérez said. “The subjects were more ready for action and alert to external stimuli after having coffee,” she added. Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings.
2023-07-17 00:00
Digital banking in Italy's industrial heartland at over 75% - BOI
MILAN More than three-quarters of the population in Lombardy, Italy's largest and most industrialized region, banked online last
2023-06-29 04:58
Movie Review: Who let the beasts out? New 'Transformers' tries but fails to energize the saga
With the “Transformers” franchise clearly at a crossroads, its protectors have turned to their deep bench
2023-06-06 21:56
Copy of Science news - live: 'Alien corpses' unveiled to Mexican Congress
It feels like this year, more than any other, we’re seeing a stream of science stories that continue to blow our minds. Every day is a school day online in 2023, and a host of studies, research papers and headline-making breakthroughs have completely changed our understanding of the world around us at every turn. There have been missions to the moon and findings about our planet which could turn everything we thought we knew on its head – not to mention baffling hearings on UFOs taking place in the US congress. These are the biggest science stories so far this year that have caught our attention in a big way. https://www.indy100.com/science-tech/ocean-beneath-earth-crust-ringwoodite-2665333030 Test Test Scientists discover continent that had been missing for 375 years Geoscientists discovered a continent that had been hiding in plain sight for almost 375 years. Historically, there's been speculation about whether a continent known as Zealandia or Te Riu-a-Māui in the Māori language exists. Read more here. 'Alien corpses' unveiled in Mexico divide conspiracy theorists Christmas has come early for UFO watchers, with the alleged corpses of real-life aliens displayed for the world to see. The startling revelation came during a congress hearing in Mexico City on Tuesday, titled the Public Assembly for the Regulation of Unidentified Anomalous Aerial Phenomena (UAP). During the session, which was streamed online, Mexican ufologist Jaime Maussan presented what he claimed were two perfectly preserved “non-human entities”. Read more here. Buy now , Massive ocean discovered beneath the Earth's crust containing more water than on the surface People are only just realising that there’s a massive ocean hidden under the Earth’s crust. It turns out there’s a huge supply of water 400 miles underground stored in rock known as 'ringwoodite'. Scientists previously discovered that water is stored inside mantle rock in a sponge-like state, which isn’t a liquid, solid or a gas, but instead a fourth state. Read more here. Buy now , Sign up for our free Indy100 weekly newsletter Have your say in our news democracy. Click the upvote icon at the top of the page to help raise this article through the indy100 rankings
2023-09-14 19:57
Tesla factory permits almost ready in Mexico, as state launches infrastructure work
By Daina Beth Solomon MEXICO CITY (Reuters) -Final permits for Tesla to build an electric-vehicle (EV) factory in the northern
2023-10-06 06:26
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