The “Golden Age” of magic coincided with the heyday of the lithographic poster, and acts involving levitation, decapitation, escapes, hypnotism, and other illusions were lavishly advertised. Illusions ...
This ball is on a roll. In this optical illusion, you’ll see a hand place a metal ball at the bottom of what looks like an ordinary slide. However, it immediately rolls uphill, seemingly defying the ...
Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...