Just another step towards making nuclear reactors a potential future clean energy source.
in the world—and essentially looks just like a giant metallic donut. Tokamak devices confine plasma in the donut shape, with magnetic fields containing the massive amounts of heat needed to perform the process. Inside the JET, temperatures can reach 150 million degrees Celsius—that’s 10 times hotter than the center of the sun.—an under-construction, 80 percent completed plan to build an even bigger version of the JET tokamak.
EU-Demo, the next generation of nuclear fusion tokamaks after ITER which would actually connect to the gridThe way that the JET works is by using two ingredients—deuterium and tritium. Deuterium is one of the stable isotopes of hydrogen and luckily is quite bountiful in seawater—an estimated 1 in every 5,000 hydrogen atoms in seawater is likely deuterium,
. When nuclear fusion projects become a reality, the DOE estimates that one gallon of seawater may produce as much energy as 300 gallons of gasoline.in nuclear reactors by exposing lithium to energetic neutrons. ITER experts predict that there’s enough extractable lithium out there to operate fusion reactors for at least 1,000 years.These two ingredients are then fired into the super-hot plasma inside the reactor where they are forced together to create helium, a neutron, and, of course, energy.
“The energy you can get out of the fuel deuterium and tritium is massive,” Tony Roulstone from the University of Cambridge’s Department of Engineering“For example, powering the whole of current UK electrical demand for a day would require 0.5 tons of deuterium, which could be extracted from seawater.”
Of course, there’s still a way to go before we can herald nuclear fusion as the next clean energy hero.
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