Using mercury nanotubes india may be able to produce solar cells with a greater capacity to absorb solar energy. The secret behind this extra capacity lies in mercury compound nanotubes, scientists at iit Delhi have found out. Nanotubes, because of their structure, exhibit electrical and optical properties, which help in the absorption of solar energy and its conversion to electrical

NEW DELHI: The Delhi High Court on Thursday tightened norms regulating use and recycling of plastic bags in the Capital to check their indiscriminate use as they pose a serious health hazard and pollute the environment.

A Division Bench of the Court comprising Justice T. S. Thakur and Justice Siddharth Mridul also extended the scope of the ban on use of plastic bags to include the city's main markets and local shopping centres. Their use is already banned in hotels, hospitals and malls.

At a time when oil is the most precious commodity in our planet, fuel worth Rs 1,000crore is wasted every year in Delhi by vehicles idling at its 600 traffic signals. If all drivers were to switch off their engines wherever the stoppage time exceeds 14 seconds