Verdict: The ISO-PUCK mini shock absorbers for placing under speakers are a genuinely worthwhile investment if you want to place your speakers on a surface instead of using speaker stands.

The anatomy of a hockey puck. The process is complicated, but it's necessary to play this beautiful game. Maybe one day, they will find an easier way to vulcanize rubber, but for now, sulphur it is.

It might not surprise many Canadians, who are both tough like pucks and live in the country thought to have invented them in the first place. ScienceAlert credits vulcanised rubber, which is ...

Vulcanized rubber is also used to make bowling balls and mouth pieces for some wind instruments. Hockey puck 1, red hot nickel ball 0. Advertisement. Screengrab via carsandwater/YouTube.