Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
Graphene, impermeable to all gases and liquids, can easily allow protons to pass through it researchers have found. Published in the journal Nature, the discovery could revolutionise fuel cells and ...
DEEP in the heart of every atom lurk protons, tiny particles from which the chemical elements were forged, first in the searing heat of the big bang and then in the nuclear furnaces of stars. The ...
Irradiating ammonia – which is made up of one nitrogen and three hydrogens – with ultraviolet light causes one hydrogen to dissociate from the ammonia. SLAC researchers used an ultrafast “electron ...
Proceedings of the Royal Society of London. Series A, Mathematical and Physical Sciences, Vol. 201, No. 1066 (Apr. 26, 1950), pp. 348-365 (18 pages) The energy spectrum of 4· 5 MeV protons scattered ...
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