What’s the World Cup made of? – in C&EN

Preview image for an infographic on what the world cup is made of, featuring illustrated images of the Jules Rimet trophy, the current World Cup, and a football.
Click to view the full graphic on the C&EN site

The Men’s football World Cup final is taking place this weekend. While it sadly won’t be coming home, one team will take home the coveted World Cup – or, at least, a copy of it. In the latest edition of Periodic Graphics in C&EN, we take a look at the materials that make up the two separate trophies that have been awarded to the World Cup winners. See the full graphic on the C&EN site.

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The materials science of tennis

An infographic titled "The materials science of tennis" by Compound Interest explaining the chemistry of balls and rackets. Ball cores are vulcanized rubber (natural rubber crosslinked with sulfur) filled with pressurized nitrogen gas. The outer felt is wool and nylon, dyed yellow with a dye such as Basic Yellow 40. Rackets evolved from wood (which warped), to aluminium, then composites (fibreglass, Kevlar), and now carbon fibre with plastic resins. Strings transitioned from cow gut to polyester and nylon.
Click to enlarge

If you’ve been enjoying the tennis at Wimbledon over the past two weeks, chemistry probably didn’t cross your mind as you watched the players slogging the ball back and forth. However, a lot of science and honed materials go into both the rackets and balls used during each game, set and match. This graphic examines the key substances used and how they’ve changed over time.

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