think about a tube with a rubber lid as the lid is pushed inside the pressure inside the tube will momentarily go up its the same principle as the aortic valve snaps shut there is a momentary rise in pressure in the aorta
aortic valve closure
When the aortic semilunar valve snaps shut, a momentary increase in the aortic pressure results from the elastic recoil of the aorta after valve closure.
waves
waves
Notch
Well a V-notch gives better accurate results when compared to rectangular notch.
No notch is still alive
what is a median notch on a dolphin
No way you're going to get Notch's password. Sorry.
Notch is the creater of mine craft.(Markus Persson)
Notch Cemetery was created in 1800.
Notch is no longer in charge of Minecraft :(