Day

October 16, 2020
Source: https://spacenews.com/upper-stages-top-list-of-most-dangerous-space-debris/ by Jeff Foust — October 13, 2020 WASHINGTON — While launch providers are doing a better job at disposing of upper stages left behind in orbit, rocket bodies still constitute the most dangerous pieces of orbital debris. The European Space Agency released Oct. 12 its annual Space Environment Report, the agency’s assessment of orbital debris. The report...
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Source: https://www.nasdaq.com/articles/vodafone-may-shun-portugal-5g-auction-unless-illegal-rules-are-changed-2020-10-15 CONTRIBUTOR Sergio Goncalves  Reuters Published 15th October By Sergio Goncalves LISBON, Oct 15 (Reuters) – Vodafone may shun Portugal’s planned auction of 5G frequency licences unless the regulator changes its proposed rules, which Vodafone Cluster Europe CEO labelled on Thursday as illegal and discriminatory against established players. The regulator ANACOM, which hopes to relaunch the auction...
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CORRECTED PROOF Sleep, zsaa194, https://doi.org/10.1093/sleep/zsaa194 Published: 21 September 2020 Abstract Study Objectives Blue-depleted lighting reduces the disruptive effects of evening artificial light on the circadian system in laboratory experiments, but this has not yet been shown in naturalistic settings. The aim of the current study was to test the effects of residing in an evening blue-depleted light...
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