Ar­ti­fi­cial sun is 3,000 de­grees hot

Science Illustrated - - SCIENCE UPDATE -

In the 3-storey so­lar re­search fa­cil­ity, the light of the lamps can be united into one sin­gle beam of the same tem­per­a­ture as 10,000 times the sun­light when it hits Earth.

In the fa­cil­ity

The lamps pro­duce bright, white light from xenon gas. They are 7 kW each. A typ­i­cal or­di­nary light bulb is 100 W tops.

By the fa­cil­ity

The en­ergy from the lamps al­low dif­fer­ent ex­per­i­ments in three labs at the same time. Two of them have been cus­tom­ized for hy­dro­gen­mak­ing ex­per­i­ments.

In the lamps

The bulb sits in an alu­minium re­flec­tor with a 1 m di­am­e­ter. At the back of each lamp, there is a flex­i­ble ro­botic arm, which al­lows the bulbs to be united into one ex­tremely hot light beam, when sci­en­tists ex­per­i­ment with split­ting wa­ter into oxy­gen and hy­dro­gen.

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