Interesting Engineering2d
Scientists catch spirals of Kelvin waves in superfluid helium for the first time
Kelvin waves have been a mystery for decades but a new method involving superfluid helium-4 can help us control them.
"Kub-SM" will make hell in the SMO zone: a formidable partner of "Lightning" and "Lancets"
Even ordinary observers are aware of the highest strike potential of the Lancet kamikaze UAVs (Product-52) and Lancet-3 ...