The Surprising Utility of Square Wheels

The London Eye, a vast observation wheel with a diameter of 120 metres, on the south bank of the River Thames, opened in 2000. Resembling an enormous bicycle wheel, it has 32 passenger capsules, each weighing ten tons, attached to its circumference. Each capsule holds 25 people, so up to 800 may be on the … Continue reading The Surprising Utility of Square Wheels →