Quantum entanglement in laser systems represents a frontier in quantum optics, amalgamating the precision of laser technology with the non‐classical correlations inherent to quantum mechanics. Recent ...

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Buy an inexpensive torpedo laser level for occasional use around the house, or if you want a compact level for your tool belt. As with traditional levels, you’ll have to manually align the bubble with ...

The laser’s early years were full of scientific creativity, public-relations spin and intense rivalry. Pauline Rigby describes how a then little-known scientist became the first person to design and ...