Two-century-old journey of the Quantum riddle

Newton believed light was a particle, and Huygens believed light was a wave. Both were correct but this was not acceptable to the 17th-century scientists

Through two doors at Once 

The elegant experiment that captures the enigma of our quantum reality 

Anil Ananthaswamy 

Penguin Viking,

299 pages; Rs 599

Quantum theory — the mathematical physics of very small things — is among the most divisive realms of science. The mathematics works, the predictions  quantum theory makes check out experimentally. But it also seems like utter nonsense in terms of the normal-sized reality we all experience. 

Particles disappear; they reappear mysteriously and unpredictably in different places; they seem to know what the observer wants them to do; when we can tell the position of a particle, we don't know its