Planck’s constant Archives

Weighing weightless photons for laser-based manufacturing

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Laser beam machining has become a routine part of many industries.

It may be hard to believe that a beam of light can melt steel, but that is exactly what happens during laser beam machining. Using lasers for processing has become increasingly common but knowing exactly how much energy and heating occurs during these processes is a challenging task. This is why colleagues Dr John Lehman and Dr Paul Williams at […]

Deconstructing spookiness:
Emergent Quantum Mechanics explains the quantum world

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Oil droplets on a fluid surface behave just like quantum particles.

From tunnelling to entanglement, the world of quantum mechanics describes a diverse array of seemingly bizarre behaviours which only emerge on the very smallest of scales. Yet Professor Theo van Holten at the Delft University of Technology believes that the physics required to describe quantum systems may not need to be nearly as exotic as many physicists currently believe. Through […]