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How Bitcoin’s vast energy use could burst its bubble

How Bitcoin’s vast energy use could burst its bubble

Science
ReutersWe've all heard the stories of Bitcoin millionaires.Elon Musk is the latest. His electric car company Tesla made a paper profit of more than $ 900m (£646m) after buying $ 1.5bn (£1bn) -worth of the cryptocurrency in early February.Its high profile support helped pushed the price of a single Bitcoin to more than $ 58,000.But it isn't just the digital asset's price that has hit an all-time high. So has its energy footprint.And that's caused blowback for Mr Musk, as the scale of the currency's environmental impact becomes clearer.It also helped prompt a series of high profile critics to slate the digital currency this week, including US Treasury Secretary Janet Yellen.President Biden's top economic adviser described Bitcoin as "an extremely inefficient way to conduct transactions," say...
Enigmatic fast radio burst pinned on magnetised dead star

Enigmatic fast radio burst pinned on magnetised dead star

Science
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Hubble catches gamma-ray burst with highest energy yet-recorded

Hubble catches gamma-ray burst with highest energy yet-recorded

Science
Nov. 21 (UPI) -- With the help of the Hubble Space Telescope, scientists have characterized the gamma-ray burst GRB 190114C, which featured the highest energy ever recorded. The record-setting gamma-ray burst was first spotted in January by several telescopes, including NASA's Swift and Fermi telescopes. Shortly after its discovery, several other powerful telescopes, including space-based observatories like Hubble, set out to image the powerful object in greater detail. Earlier observations suggest material ejected during the gamma-ray burst explosion reached speeds of 99.999 percent the speed of light. As this material passed through gas surrounding the collapsing star, a shock wave was produced. The shock wave triggers the burst of gamma rays measured by observatories on Earth. The new...
Is the bubble going to burst on the bitcoin boom?

Is the bubble going to burst on the bitcoin boom?

Finance
The ambition that gave birth to the InterPlanetary File System is as immodest as the name.The brainchild of a Silicon Valley start-up called Protocol Labs, IPFS aims to give anyone the chance to buy and sell unused computer storage space. There is even a made-up unit of exchange for this proposed market: a digital currency called Filecoin.Speculators do not seem concerned that this spot market for global computing resources is still only a plan embedded in a piece of open source software. Or that, if it catches on, it will be competing with corporate giants such as Amazon, the leading cloud computing provider. Despite these obvious obstacles, Protocol Labs raised more than $ 250m in an open online sale of its invented currency that ended last week.So-called initial coin offerings, or ICOs,...
Chloe Khan fails to conceal modesty as nipples burst from see-through top

Chloe Khan fails to conceal modesty as nipples burst from see-through top

Entertainment
It's like she doesn't want to learn her lesson.Chloe's Instagram is littered with sexy snaps, as she's often teasing her fans with smokin' hot selfies.And today is no different for the reality beauty as she's once again shared sizzling snaps with her 1 million followers.INSTAGRAMSEE-THROUGH TOP: Chloe Khan's latest Instagram snap is a sight for sore eyesCelebrity nip slips, sideboobs & underboobs They may be rich and famous, but these celebrities aren't immune from flashing the flesh in our ultimate celebrity nip slips, sideboobs, underboobs and now gapboobs gallery. INSTAGRAMOOPS: She did it againPosing up a storm in a sheer outfit which featured plenty of sparkle, the brunette beauty perched her enhanced peach on the side as she sat next to a huge box of flowers.That would be all we ...