Scientists have discovered a new way to generate powerful lasers – on the spot, with a few gases and a spark. This breakthrough could revolutionize the way we use lasers, from medical treatments to cutting and welding.

The team of researchers from the University of Michigan have developed a new laser system that can generate powerful laser pulses with little preparation. It involves capturing two gases – nitrogen and oxygen – in a container, then introducing a spark of electricity. This creates a powerful laser beam that can be used for a variety of applications.

The laser pulses produced by this system are powerful enough to cut through steel, weld together two pieces of metal, and even cauterize tissue in medical treatments. This breakthrough could revolutionize the way we use lasers, and make the technology much more accessible.

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source: Phys.org