# Education & Research

## Quantum bits – Solution Note

In quantum computing, a qubit or quantum bit is a unit of quantum information. A qubit is a two-state quantum-mechanical system and is the quantum analogue of the classical bit. In a classical system, a bit would have to be in one state or the other. However, quantum mechanics allows the qubit to be in a superposition of both states at the same time.

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## Pion Decay – Solution Note

Particle physics research institutes are trying to simulate and research the behavior of sub-atomic particles. Because Pions consists of a particle and an antiparticle, they are very unstable.

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## Cold Atoms - Solution Note

Cold atoms are atoms that have been super-cooled to a less than one millionth of a degree above absolute zero (zero degrees Kelvin – the temperature at which atoms cease all movement). Under such supercooled conditions, the result is a new form of matter that is governed by quantum mechanics.

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## Optical Displacement Meters – Solution Note

Microelectromechanical systems (otherwise known as MEMS) have evolved from their roots in lab research to everyday use, as their adoption in commercial and industrial applications grows. As MEMS technology advances, more advanced testing methods are needed in order to characterize the dynamics – such as vibration and displacement – of miniaturized mechanical and electro-mechanical devices.

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