In physics, we speak of systems and states. A system is a collection of physical objects (particles, waves, etc.). A system can be in various states. For example, a coin could have two states – heads ...

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Researchers have created a quantum superposition state in a semiconductor nanostructure that might serve as a basis for quantum computing. The trick: two optical laser pulses that act as a single ...

where |0〉 and |1〉 are the vacuum and single photon states, respectively, and | ± α〉 are coherent states with amplitudes ±α. A detailed classification and characterization of various kinds of hybrid ...

Researchers have devised a new way to measure gravity, and they have done this by measuring the differences in atoms while they are in a superposition state. To give a bit of background on this new ...

Red and blue: a photon of two colours has been made. (Courtesy: iStock/-strizh-) Individual photons have been put into a quantum superposition of two different colours by a team of physicists in the ...

In a hot summer Sunday braai or shisa nyama (South African barbecue), if you don't finish your favorite beverage quickly, the ice cubes will melt and the drink will get warm—undoubtedly spoiling your ...