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Spacewalkers take extra safety precautions for toxic ammonia

Spacewalkers take extra safety precautions for toxic ammonia

Technology
Spacewalking astronauts are back safe inside the International Space Station after ridding their suits of any toxic ammoniaBy MARCIA DUNN AP Aerospace WriterMarch 13, 2021, 8:34 PM• 3 min readShare to FacebookShare to TwitterEmail this articleCAPE CANAVERAL, Fla. -- Spacewalking astronauts had to take extra safety precautions Saturday after possibly getting toxic ammonia on their suits from the International Space Station's external cooling system.Victor Glover and Mike Hopkins had no trouble removing and venting a couple of old jumper cables to remove any ammonia still lingering in the lines. But so much ammonia spewed out of the first hose that Mission Control worried some of the frozen white flakes might have gotten on their suits.Hopkins was surprised at the amount of ammonia unleashed...

OSHA offers new virus safety guidance for employers

Health
President Joe Biden’s administration released new workplace guidelines Friday that signaled a more proactive approach to protecting workers from the coronavirusBy JOSEPH PISANI AP Business WriterJanuary 29, 2021, 10:12 PM• 2 min readPresident Joe Biden's administration released new workplace guidelines Friday that signaled a more proactive approach to protecting workers from the coronavirus.The new guidance from the U.S. Occupational Safety and Health Administration seeks to protect all types of workers, not just ones who are deemed to be at higher risk of contracting the virus depending on where they work.It also asks employers to shield workers from retaliation if they complain about conditions and sets up ways for them to voice complaints anonymously. And it wants employers to g...
Coronavirus: Concerns over bosses breaking Covid safety rules

Coronavirus: Concerns over bosses breaking Covid safety rules

Business
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‘Doctor Who’ Season 13 begins filming under strict COVID-19 safety measures

‘Doctor Who’ Season 13 begins filming under strict COVID-19 safety measures

Entertainment
Nov. 11 (UPI) -- The producers of long-running British sci-fi series Doctor Who announced filming has commenced on the 13th season of the show's 2005 revival. BBC America, which airs Doctor Who in the United States, said Jodie Whittaker is returning as the 13th incarnation of the Doctor for Season 13, which is being filmed "under strict industry and U.K. government guidelines to ensure the safety of all cast and crew." Advertisement "In this strangest of years, the Doctor Who production team have worked wonders to get the show back into production," showrunner Chris Chibnall said. "We're thrilled to be back making the show." Chibnall said the extra time required to follow the COVID-19 safety protocols led to the decision to do an eight-episode season instead of the usual 11 episodes. "But...
What wobbling rocks can tell us about nuclear safety

What wobbling rocks can tell us about nuclear safety

Science
We've all seen them; we've even taken pictures of ourselves pretending to hold them up or to push them over. These are the precariously balanced rocks on a hill or a coastal cliff. It's as if the gentlest nudge would send them tumbling.In truth, the disturbance needed to unsettle the blocks is quite significant, and that got husband and wife geologists Drs Dylan and Anna Rood wondering about how these great stones could be used to decipher earthquake history.Think about it: if a precariously balanced rock has held its position for 10,000 years without tipping over, it means the land around the stone hasn't experienced shaking above a certain level in all that time."The turn of phrase we're tryin...