Severely damaged in the Fire of London in 1666, it was patched up between 1668 and 1671. A steeple was added around 1700 to the designs of Sir Christopher Wren. It was built in a gothic style sympathetic to main body of the church, though with heavy string courses. It has a needle spire carried on four flying buttresses. The church was largely destroyed in the World War II and the ruins now form part of a public garden.
© Mary Evans / Peter & Dawn Cope Collection
Mary Evans / Peter & Dawn Cope Collection
Gyroscope. Artwork of a gyroscope with the piece of string (red) that is used to set it spinning. This device consists of a heavy spinning disc (horizontal) mounted in a framework so that the disc's axis (vertical, one end resting on the ground here) is free to adopt any orientation. This device's special properties depend on the principle of conservation of angular momentum. The fact that it will stay upright as long as it is spinning fast enough demonstrates the property of gyroscopic inertia, that is that the direction of the spin axis resists change. Gyroscopes are used in stabilisation devices and compasses in boats and aircraft.
© CLAUS LUNAU/SCIENCE PHOTO LIBRARY
Illustration, three kittens playing with ball of wool, kitten to left holding up thread in front of entangled kitten in middle, kitten to left looking at ball
Illustration, three kittens playing with ball of wool, kitten to left holding up thread in front of entangled kitten in middle, kitten to left looking at ball.
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