Here's how to get more bounce from a normal tennis ball - buddy it up with a heavier ball for twice the impact. Hold a ball in each hand and decide which ball weighs more (has greater mass).

Shaking the can agitates the pea, causing it to bounce around the inside ... The rattling noise is a result of the metal ball inside the can, which is necessary for effective mixing.

There’s still one small mystery, however. Every now and again, [T-Kuhn] says that the ball will bounce in an unexpected direction. It doesn’t seem to be a bug related to the platform itself ...

Simply by attaching the balls to sticks on the ceiling, @srepublic7 is able to 'bounce' the balls off his ceiling, causing ...

Then, choosing a court surface made with rubber or foam can also help minimize the sound of the ball bouncing. Apart from that constructing the court with noise barriers can also significantly ...