CURRENT AFFAIRS

2021

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Who has set a new world record for fusion?
A
FU-ION
B
ChianF
C
CHTAR
D
KSTAR
Explanation: 

Detailed explanation-1: -China’s Experimental Advanced Superconducting Tokamak (EAST) fusion reactor, or “artificial sun, ” has set a new world record by maintaining 70 million degrees Celsius (126 million °F) for 1, 056 seconds – more than 17 minutes.

Detailed explanation-2: -This is the moment when a European experiment to reproduce the process powering the sun, called fusion power, set a new global energy record. The experiment at the Joint European Torus (JET) in Oxford on 21 December saw a super-hot plasma sustained for 5 seconds, producing a record 59 megajoules of heat energy.

Detailed explanation-3: -In its recent record-breaking experiment, JET produced a total of 59 Megajoules of heat energy from fusion over a five second period (the duration of the fusion experiment). During this experiment, JET averaged a fusion power (i.e., energy per second) of around 11 megawatts (megajoules per second).

Detailed explanation-4: -Scientists achieve a breakthrough in nuclear fusion. Here’s what it means. The fusion record was achieved at the National Ignition Facility at California’s Lawrence Livermore National Laboratory, which ignites fusion fuel with an array of 192 lasers.

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