Ring Around
Two dark discs, one in a tight ring and one in a wide one.
Этот опыт ещё не переведён, поэтому текст на английском.
Как играть
Сначала посмотрите, потом ответьте
Two dark discs, one in a tight ring and one in a wide one.
- Меньше минуты · 1 вопрос · потом объяснение
Как это работает — лучше читать после того, как попробуете
Pulled out, pushed in
The discs are the same size. A ring close to a disc tends to be merged with it, so the disc borrows some of the ring’s size and looks larger; a ring far away is compared with it instead, and next to something big the disc looks smaller.
The Belgian philosopher and mathematician Joseph Delboeuf described it in 1865. It is a close relative of the Ebbinghaus circles, and it has been suggested that the same thing makes a portion of food look smaller on a large plate.