Gas molecules can help find life on exoplanets
Biosignature gases emitted by exoplanetary life forms could be detected remotely by space telescopes but these gases might have quite different compositions from those in the Earth's atmosphere.
May 06, 2016, 15:24 PM ISTScientists create power-efficient graphene sensor to detect pollution
Scientists have created a graphene-based sensor and switch that can detect harmful air pollution in the home with very low power consumption.
Apr 16, 2016, 16:30 PM IST