Scientists at the University of California, Davis have developed a new type of laser that is both liquid and air-tunable. The liquid laser is a breakthrough in laser technology that could have wide-ranging applications in areas such as medicine, communications, and industry. The liquid laser is able to be tuned with air pressure, eliminating the need for bulky and expensive components. This breakthrough could lead to more efficient and cost-effective lasers in the future.

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source: Phys.org