Here, we chart the evolution of the science of optical refrigeration in rare-earth-doped solids and semiconductors from its origins through to the present day. There are several factors that limit ...
0:37 Hundreds strip for annual ‘No Trousers Tube Ride’ in London Mind the pants. Hundreds of Londoners headed down to the Underground on Sunday afternoon, stripped down to their underwear and ...
The annual No Trousers Tube ride has taken place despite plunging temperatures in the capital. Trouserless passengers were seen across the London Underground network including in Westminster ...
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