Science: Einstein Made Easy

Time—the Fourth Dimension of Einstein and Ouspensky (talented Russian author of Tertium Organum) is graphically illustrated in the former's " Relativity" film now exhibited at cinema houses.

The picture shows in the simplest manner that things are not always what they seem. What is apparently a sharply bent line may be actually a lead pencil resting in a glass of water, the refraction occurring at the surface of the water where the pencil emerges into a less dense medium, causing it to appear bent. A spot that appears to be white upon a black...

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