avishkar topics
1) PAPER DEVICE CHARGED BY BODY MOVEMENTS. Scientists have developed a light-weight, paperbased device that can harvest energy from body movements to power sensors and watches. The finding is based on triboelectric nanogenerators (TENGs) system which makes the energy through Triboelectrification. 2 SILICON BASED POLYMER AN ELASTIC SECOND SKIN (ESS). at MIT, Massachusetts General Hospital have developed a new material that can temporarily protect and tighten skin, and smooth wrinkles. 3. CROP PROTECTION: FIRING TO KEEP THE STORM AT BAY. Orchid owners of Himachal Pradesh have, recently, installed the anti-hail storm gun through collective mobilisation of funds. More than 15% of total plantation crop is damaged by hail storms in Himachal Pradesh. Existing scheme for crop protection such as anti-hail net is old technique which end up damaging the crop by blocking the sunlight. An anti-hail cannon is a shock wave generator intended to disrupt the formation of hails