A scientist pours liquid into a beaker beside a sucrose container and a labeled bottle. Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

The LHC's superconducting magnets are therefore maintained at 1.9 K (-271.3°C) by a closed liquid-helium circuit. Cryogenic techniques essentially serve to cool the superconducting magnets. In ...