On the Internet in 2015 it's tacitly understood that we can trace most memes back to black people, that every couple of minutes a black kid somewhere is probably coming up with a new viral dance, a hilarious slang term or a Vine trend that'll be endlessly riffed on and ripped off by white people.
-blast. A suffix meaning an immature precursor cell of the type indicated by the preceding word. [G. blastos, germ]. immature precursor cell type; the cell type is denoted by the preceding syllables, e.g. osteoblast.
The flow field can be approximated as a lead shock wave, followed by a 'self-similar' subsonic flow field. In simpler terms, a blast wave is an area of pressure expanding supersonically outward from an explosive core. It has a leading shock front of compressed gases.The blast wave is followed by a blast wind of negative pressure, which sucks items back in towards the center.The blast wave is harmful especially when one is very close to the center or at a location of constructive interference.High explosives, which detonate, generate blast waves.he blast wave is followed by a blast wind of negative pressure, which sucks items back in towards the center.