Thomas Midgley Jr. (May 18, 1889 – November 2, 1944) was an American mechanical and chemical engineer. He played a major role in developing leaded gasoline (tetraethyl lead) and some of the first chlorofluorocarbons (CFCs), better known in…
Roku 1670 v Norimberku Heinrich Schwanhard zjistil, že působením silné kyseliny na kazivec se uvolňují kyselé páry, které leptají sklo – od této doby se fluorovodík využívá k uměleckému leptání skla.
The South African law of delict engages primarily with 'the circumstances in which one person can claim compensation from another for harm that has been suffered'. [1 ] JC Van der Walt and Rob Midgley define a delict 'in general terms…
Bases and ESSA Accredited Sport and Exercise Scientist. Facsm, Fecss and FHEA. Evidence-informed elite practitioner/researcher and consultant to World Champion athletes and elite teams.