Simple designs. Major benefits Electricity from cow manure. Pedal-powered grain mill or a backpack for water. Cooler that uses evaporation from wet fabric. An innovative idea at MIT saw
tinkerers from 16 nations working on inventions
to save the world.
Smart food choice Flaxseed has been consumed as an ingredient in various food formulations and currently has a high demand in food and feed industries like bakers and commercial food companies. In India, although flaxseed is not a staple food, it is consumed by the people of North Karnataka in the form of food substitutes such as chutney powder, karandi etc.
From a small shift,a big saving In advancing the IST by half an hour, as much as Rs 1200 crores can be saved annually, finds out Tara Satyavrata.
The clearest of them all High tin content in mirrors
discovered in a hamlet in Kerala show that our
ancestors had the skill and
knowledge of how tin made the mirrors more
reflective.
The stowaways of globalisation What does one do with biological interlopers? As Florida battles the invasion of the Asian python, it is time nations woke up to the danger of invasive species that travel and trade have encouraged.
The State government has proposed a ban on the use of cellphones by schoolchildren saying that it would affect their mental and physical growth. Is the government move justified? We invite our readers to express their opinion in 100 words. Responses may be sent to Deccan Herald, No 75, M G Road, Bangalore - 560001 or e-mail: editordh@deccanherald.co.in latest by 2 pm on Saturday. A selection of responses will be published in Sunday’s edition.