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Researchers at Chalmers University of Technology, Sweden, have developed a method that can reduce the levels of mercury in sulfuric acid by more than 90%, even from low levels. It is therefore a worldwide challenge that sulfuric acid often contains one of the most toxic substances: mercury.
Over the years, memory has been made up of vacuum tubes, glass tubes filled with mercury and, most recently, semiconductors. The first electronic digital computer capable of storing instructions and data in a read/write memory was the Manchester Small Scale Experimental Machine, known as the Manchester “Baby.”
Supernova explosions, the catastrophic self-destruction of certain types of worn-out stars, are intimately tied to life on Earth because they are the birthplaces of heavy elements across the universe. Most of the iron in our blood and the sulfur in our amino acids originated in stars that detonated billions of years ago.
Clark Johnson Employer Wave Domain Title CFO Member grade Life Fellow After graduating at age 19 with a bachelor’s degree in physics in 1950 from the University of Minnesota Twin Cities , he was planning to go to graduate school when he got a call from the head of the physics section at 3M ’s R&D laboratory with a job offer.
The canary box “is a very logical engineering solution to a problem,” says Alan Mantooth , an IEEE Fellow and a professor of electrical engineering at the University of Arkansas. But “if we’re doing something on Mercury or we’re doing something close to the Sun—any high temperature stuff … silicon carbide’s your winner.”
In 1911, Dutch physicist Heike Kamerlingh Onnes plunged a mercury wire into liquid helium and noticed that the wire’s electrical resistance vanished. Once the coil is charged, the energy can be stored nearly indefinitely with little to no decay, provided that the cooling is maintained. The wire had become a “superconductor.”
But we have demonstrated that by directly using power generated by the cold universe, we can chill water to cool buildings by as much as 5 ºC during the day without electricity and light the night without wires or batteries. So far, SkyCool has installed panels at a number of grocery stores across the United States. Sound crazy?
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DaimlerChrysler has presented plug-in hybrids in commercial vans that have enough room to store the batteries, but the technology is not quite ripe for cars."Plug-in That has to be looked at." ( Reuters ) 3/28/07 "Batteries are not yet an economic or efficient way of storing power.we San Jose Mercury News ). Bloomberg News ).
So IEEE Spectrum is making one of its occasional forays into science fiction, with a short story by Karl Schroeder about the unexpected outcomes from building a computer out of planet Mercury. E In a 2013 study, Sandberg and his colleague Stuart Armstrong suggested deploying automated self-replicating robots on Mercury to build a Dyson swarm.
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