The synthesis of millimetre-sized phase-pure hexagonal diamond, a polymorph of cubic diamond, by compressing highly oriented pyrolytic graphite under high pressures and temperatures is reported, providing new insight into the graphite-to-diamond transformation pathway.
Author(s): W. Tanner Yorgason, Andrea M. Jokisaari, Christopher L. Muhich
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Турция сообщила о перехвате баллистического снаряда из Ирана14:52
Leading maritime insurers have cancelled war risk cover for vessels operating in the Gulf as the escalating Iran conflict disrupted shipping and sent some freight costs surging.
Больше всего дронов — 27 — сбили над территорией Крыма,. Еще 16 БПЛА перехватили над акваторией Азовского моря, 14 — над Краснодарским краем, три — над Черным морем.