http://www.youtube.com/watch?v=DtNAqK_V-lg
Speed Kills: The Fastest Punch in the World This is an excellent, must-see video including a 3D animation of the mechanics of the smashing mechanisms displayed by Peacock Mantis Shrimp, Odontodactylus scyllarus. Imagine an invertebrate predator cast in adamantium, the indestructible metal alloy of Superheroes, and this is what you might get. Credit: The Smithsonian Institution Smithsonian Channel | YouTube
hello if i have 100cm long×60cm×60cm reef tank how many units of radion should i put ?