Lovely Craft Piston Trap Funny Number Best Review

Why is 3 ticks the funny number?

: Players use a crafting table to build and upgrade pistons using traditional Minecraft recipes (wood planks, cobblestone, iron, and redstone). lovely craft piston trap funny number best

4 sticky pistons arranged in a square, each two blocks apart. Their heads point up. Behind each piston, place a solid block (like cobblestone) to transmit redstone signals. Why is 3 ticks the funny number