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Reinforcing the case for independent QA in the radiation oncology clinic

Physics World

In radiation therapy, patient safety starts and ends with independent QA, a comprehensive programme of machine, patient-specific and workflow checks for identifying – and mitigating – human and system errors in an expanding universe of complex treatment variables. Jeff Kapatoes, Sun Nuclear Corporation.

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Scanning the cosmos for signs of alien technology

Physics World

While neither idea was ever implemented, both were examples of a “technosignature” or a “technomarker” – a tell-tale indication of past or present technological activity, pointing out the existence of an advanced planetary civilization. Frank is looking at what kind of signature a planet’s technology might leave in its spectra.

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What is Ethylene Oxide? Answers to Your Questions about the Cancer-Causing Chemical

Union of Concerned Scientists

Workers in facilities that produce and use EtO as well as people living near facilities that release it into the atmosphere are at risk of unsafe exposures even when the facilities are using the best available technologies to handle and contain it. Have I been exposed to ethylene oxide?

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Source of fast radio bursts surprises astronomers

Physics World

The source of fast radio bursts (FRBs) first detected in 2020 is likely to be located within a dense cluster of ancient stars, according to astronomers led by Franz Kirsten at Chalmers University of Technology in Sweden. 20200120E, which was first observed in 2020 in the constellation of Ursa Major.

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Morocco targets 80% renewables by 2050?

A Greener Life

gigawatts (GW) in 2020 and was estimated to reach 4.3 during the decade 2020-2030. GW in 2020 to 4.3 While the installed capacity for both PV and CSP solar power will increase from 734 megawatts (MW) in 2020 to 2.1 GW in 2020 to 3.3 Technological evolution. GW during last year. GW in 2030. GW in 2030.

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Black holes merging with neutron stars have been spotted by LIGO–Virgo for the first time

Physics World

One signal was detected on 5 January 2020 and the other was observed less than two weeks later, on 15 January. When gravitational waves are detected by LIGO–Virgo, a notice goes out to other astronomers who then train their telescopes on that region of the sky and look for electromagnetic radiation from the merger. No light show.

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Major US and European labs join forces to tackle climate change

Physics World

In 2020, the lab released its first public Environment Report that detailed the status of CERN’s environmental footprint. Sette adds that the labs are “eager” to learn from each other and will now further develop best practices and develop new sustainable technologies. Large labs demand a huge amount of energy.