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Saturday, January 18, 2020
Ask Ethan: How Does Quantum Physics Make Levitation Possible?

Ask Ethan: How Does Quantum Physics Make Levitation Possible?

When cooled to low enough temperatures, certain materials will superconduct: the electrical resistance inside them will drop to zero. When exposed to a strong magnetic field, some superconductors will exhibit levitation effects. Here's the story of how this works.Peter nussbaumer / Wikimedia Commons The idea of levitating off the ground has been a staple of…
Hubble might have identified a possible ‘exomoon’

Hubble might have identified a possible ‘exomoon’

(for more about Power Words, click here) astronomy     The area of science that deals with celestial objects, space and the physical universe. People who work in this field are called astronomers. astrophysics     An area of astronomy that deals with understanding the physical nature of stars and other objects in space. People who work in this field are known…
‘The city understands our core is rotten’: Some Washington, DC citizens are ‘losing their minds’ over Amazon’s possible arrival

‘The city understands our core is rotten’: Some Washington, DC citizens...

As Amazon grows closer to announcing the location of its second North American headquarters, HQ2, insiders have narrowed the company's shortlist to the Washington, DC metropolitan area. Whether the company locates in Montgomery County, Maryland, DC proper, or — as many speculate— the neighborhoods of Northern Virginia, its impact could be widespread throughout the region.…

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