Shoe shops sell a variety of shoe sizes to accommodate a variety of foot sizes—but what if both the shoe and foot size depended on how it was measured? Recent developments in quantum theory suggest that the available values of a physical quantity, such as a foot size, can depend on the type of measurement used to determine them. If feet…
Tag: FEET
What is the Milky Way?
When someone says “Milky Way,” do you think of the starry pathway across our sky, or of the great pinwheel-shaped galaxy in space? Both are correct! Source: https://earthsky.org/astronomy-essentials/what-is-the-milky-way-galaxy…
Cryptocurrency Magnate’s Plan to Turn 67,000 Acres into Blockchain-Based ‘Smart City’
“A cryptocurrency company that owns 67,000 acres in rural northern Nevada wants state government to grant technology companies power to form local governments on land they own,” reports the Associated Press. Jeffrey Berns, CEO of Nevada-based Blockchains LLC, ultimately envisions “a city where people not only purchase goods and services with digital currency but also log their entire online footprint —…
How Our Brutal Science System Almost Cost Us a Pioneer of mRNA Vaccines
Long-time Slashdot reader theodp writes: As the first COVID-19 vaccines arrived at Penn Medicine last year, Penn Today reported with great pride, “It was mRNA research conducted at Penn—by Drew Weissman, a professor of Infectious Diseases, and Katalin Karikó, an adjunct associate professor—that helped pave the way for the development of the Pfizer-BioNTech and Moderna COVID vaccines.” While Weissman and Karikó…
We heart the Earth and sky
This Valentine’s Day, we find so much to love in the many heart-shaped objects created by Mother Nature that can be found right here on Earth or all the way to the deepest reaches of the sky. Source: https://earthsky.org/space/heart-shaped-objects-in-nature-space-earth-valentines-day…
A record deadly week for US avalanches in early February
2021 has brought a deadly avalanche season. “We’re only halfway through the season and we’re 3/4 of the way to the number of fatalities we’d see in a typical year. The dangerous, record-breaking year keeps avalanche forecasters up at night,” one expert said. Source: https://earthsky.org/human-world/avalanches-2021-united-states-how-to-survive…
Has the polar vortex arrived? What is it?
The polar vortex is an enormous, 3-dimensional ring of winds that surrounds the North and South poles during each hemisphere’s winter. The polar vortex influences the jet stream, which can bring cold winter weather to the U.S. and Europe. Source: https://earthsky.org/earth/what-is-the-polar-vortex…
The 1st sign of intelligent life beyond Earth?
Physicist Avi Loeb of Harvard believes we should take seriously the idea that ‘Oumuamua – the 1st known object to pass through our solar system from interstellar space – might have been created by an alien civilization. His new book is called “Extraterrestrial.” Source: https://earthsky.org/space/book-avi-loeb-extraterrestrial-1st-sign-of-intelligent-life…
UAE’s Hope mission to Mars arrives today: How to watch
The Emirates Mars Mission “Hope” is a United Arab Emirates Space Agency uncrewed mission to Mars. It’s slated to enter Mars orbit on February 9, 2021. It’ll be followed on February 10 by China’s Tianwen-1 mission and, on February 18, by NASA’s Perseverance mission. Source: https://earthsky.org/space/missions-to-mars-uae-hope-china-tianwen-1…
The Empire State Building and Its Related Buildings Are Now Powered By Wind
The iconic Empire State Building that has crowned Midtown Manhattan since the early 1930s is now a game changer in American architecture in a different way: by becoming completely powered with renewable energy. The Hill reports: Announced on Wednesday, Empire State Realty Trust (ESRT) confirmed that it struck a three-year contract with Green Mountain Energy to power its entire commercial real…