Issue Date: May 31, 2013
WE HAVE developed ultra-fast means of telecommunication and swankiest of electronic devices. But no matter how high-tech these gadgets are, they still rely on the humble battery for sustenance. The device has evolved much over the years. Lithium-ion batteries have replaced the basic carbon-zinc and alkaline ones, which are still used in flashlights and TV remotes. Now, a study on power storage capacity of lithium-ion battery has ensured the omni-present device would be doubly efficient in future.
Recent Supreme Court order in Vedanta case holds hope for tribal community life
Butterflies on the roof of the world is a vivid and engaging narrative of the author's rendezvous with the butterflies and moths in particular, and nature in general