TECH & INNOVATION

Detecting pollution with a compact laser source

Researchers at EPFL have come up with a new middle infrared light source that can detect greenhouse and other gases, as well as molecules in a person's breath. The compact system, which resembles a tiny suitcase, contains just two parts: a standard laser together with a photonic chip measuring a few millimeters across. The research is detailed in an article published in Nature Communications.

E-Cigarettes Could Be Linked to Seizures

Vaping may cause nicotine poisoning. Vaping-or the use of e-cigarettes-a worldwide phenomenon, has become the smokers' healthy alternative to actually smoking.

Transparent wood can store and release heat (video)

Wood may seem more at home in log cabins than modern architecture, but a specially treated type of timber could be tomorrow's trendy building material. Today, scientists report a new kind of transparent wood that not only transmits light, but also absorbs and releases heat, potentially saving on energy costs. The material can bear heavy loads and is biodegradable, opening the door for its eventual use in eco-friendly homes and other buildings.

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