Researchers at the University of Illinois have pulled off a laser first: they built a new kind of eye-safe laser that works at room temperature, using a buried layer of glass-like material instead of ...
A team at the University of Stuttgart has engineered a compact short-pulse laser that achieves up to 80% efficiency—far surpassing current models. Their new multipass design reuses light within a ...
Natural light profoundly affects our biology, from how well we sleep, to our brain function and immune response. The ancient Egyptians used solar radiation to disinfect and heal chronic wounds and ...
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