Novato welcomed the new year with 19,000 bouncy balls in a midday celebration downtown. The annual “Bouncy Ball New Year” ...

[Eric Archer] constructed an analog computer to model the physics of a bouncing ball. The core is a TL074 opamp that does all the integral math. He had no trouble finding descriptions of analog ...

HOW TO TURN ANY EGG INTO A BOUNCY EGG/ RUBBER EGG SCIENCE EXPERIMENT!! AMAZING EGG EXPERIMENTS AND LIFE HACKS!

An Arduino UNO takes the reading and generates a tone for an upward-facing speaker. A tiny ball bounces on that speaker where it occasionally collides with a piezoelectric element. The intervals ...

But small objects like coins, batteries, marbles, toy parts and bouncy balls are also choking hazards to watch out for – because they’re small enough to get lodged in or block your child’s airway.

An curved arrow pointing right. Kevin Parry created a simple, yet maddening optical illusion: he made it look like he was playing catch with himself. He wouldn't reveal how he pulled this off, but ...

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).

Modern tennis balls are made of a hollow rubber core, covered in a wool or nylon shell which is known as the nap. Pressurised air inside the rubber core makes the ball bounce. Balls which haven't got ...

3 p.m. First night Monterey will hold its 32nd annual New Year's Eve celebration, which features nine hours of entertainment. Includes kids activities, liver performances for adults, and a ...