Riding on a merry-go-round is fun! For kids in parts of Africa, it is also a way to get clean water to their communities. The merry-go-rounds pump water out of the ground. They are called PlayPump water systems.
Birdwatcher: A clever birdhouse for scaring away 'seedy' characters
SHARK a device that repels sharks by emitting an electrical wave form. The Shark Shield was invented in South Africa in the and is now made in Australia. Divers of University of Cape Town Zoology Department are among users of the Shark Shield.