NASA’s Ingenuity Mars Helicopter Succeeds in Historic First Flight NASA’s Ingenuity Mars Helicopter captured this shot as it hovered over the Martian surface on April 19, 2021, during the first instance of powered, controlled flight on another planet. It used its navigation camera, which autonomously tracks the ground during flight. Credits: NASA/JPL-Caltech Monday, […]
Aline Eid, Jimmy G. D. Hester & Manos M. Tentzeris Scientific Reports volume 11, Article number: 636 (2021) Cite this article 98k Accesses 360 Altmetric Metricsdetails Abstract 5G has been designed for blazing fast and low-latency communications. To do so, mm-wave frequencies were adopted and allowed unprecedently high radiated power densities by the FCC. Unknowingly, the architects of 5G have, thereby, created a wireless […]
New paint reflects 98% of sunlight as well as radiating infrared heat into space, reducing need for air conditioning Prof Xiulin Ruan, a professor of mechanical engineering, with a sample of the paint. Photograph: Jared Pike/Purdue University Damian Carrington Environment editor @dpcarrington Thu 15 Apr 2021 19.00 BST 2,778 The whitest-ever […]
How a once-dismissed idea became a leading technology in the Covid vaccine race By Damian Garde — STAT and Jonathan Saltzman — Boston Globe Nov. 10, 2020 Reprints Part of a “freezer farm,” a football field-sized facility for storing finished Covid-19 vaccines, under construction in Kalamazoo, Mich. Pfizer’s experimental vaccine requires ultracold storage, at about -70 C, so as […]
Click to copy Analysts: Fire at Iran nuclear site hit centrifuge facility By JON GAMBRELLJuly 3, 2020 1 of 4 This photo released Thursday, July 2, 2020, by the Atomic Energy Organization of Iran, shows a building after it was damaged by a fire, at the Natanz uranium enrichment facility some 200 miles […]
book Twitter Pinterest Reddit LinkedIn Email Bob McDonald’s blog: a simple procedure results in see-through wood Bob McDonald · CBC Radio · Posted: Feb 05, 2021 3:22 PM ET | Last Updated: February 6 A flower is visible behind a piece of the transparent material. (Qinqin Xia, University of Maryland/Science Advances) Researchers at the University of Maryland […]
ow Zoom violated its own terms of service for access to China’s market Like global tech companies before it, Zoom caved to the Chinese government, even when it meant overlooking basic human rights. Zoom helps people connect — but it also helps governments like China’s surveil and censor people.Andrew Lichtenstein / Corbis via Getty Images […]
Interview: The NDB team on its revolutionary nano-diamond batteries By Loz Blain August 25, 2020 Facebook Twitter Flipboard LinkedIn Nano diamond batteries: each one generates its own power for decades, even millennia, using recycled nuclear waste safely packaged in crash-proof, tamper-proof diamond NDB VIEW 3 IMAGES A cheap, safe, self-charging battery that delivers high power […]
Sync your calendar with the solar system Add the calendar on Google (We won’t save any of your private information when you add this calendar to your device.) September 22 Autumnal equinox The autumnal equinox is one of two points in Earth’s orbit where the sun creates equal periods of daytime and nighttime […]
When Voyager 2 Calls Home, Earth Soon Won’t Be Able to Answer NASA will spend 11 months upgrading the only piece of its Deep Space Network that can send commands to the probe, which has crossed into interstellar space. Antennas belonging to the Deep Space Network complex in Canberra, Australia.Credit…Canberra Deep Space Communication Complex By Shannon […]