Energy & Green Tech

Ultra-sensitive optical sensor can reduce hydrogen's risks

In the pursuit of clean and renewable energy, hydrogen plays an important role. But a major challenge facing this transition is that the gas is explosive when mixed with air. For this reason, it is crucial to be able to detect ...

Engineering

'Sensing skin' detects cracks, harmful chemicals in structures

Researchers have developed a multi-layered "sensing skin" to detect corrosive or otherwise harmful substances in structures. The skin can also detect cracks and other structural flaws that are invisible to the naked eye.