Related topics: space · nasa · launch vehicle

Submonolayer biolasers: Lower gain, higher sensitivity

Designing sensitive and single-use biosensors for early diagnosis remains a major challenge. Scientists in China have invented submonolayer lasers on optical fibers as ultrasensitive and disposable biosensors.

Solving an age-old mystery about crystal formation

A million years ago, the oldest known species to walk upright like a human, the Homo erectus, had a human-like fascination with crystals. Historians can even pin down the possible reasons—crystals didn't look like anything ...

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