Engineering

The most mathematically efficient solar cooker designs

A study of different solar cooker designs has alighted on the optimal form and structure, which can be constructed or bought in the developing world. The most efficient available design meshes well with mathematical models ...

Engineering

Airflow cleans up the particulate matter in the classroom

According to the WHO, about 7 million people die each year due to air pollution. Particulate matter (PM) triggers inflammatory responses in the human body, causing asthma and other respiratory and cardiovascular diseases. ...

Consumer & Gadgets

Curbing indoor air pollution in India

Around the world, more than 3 billion people—nearly half the world's population—cook their food using solid fuels like firewood and charcoal on open fires or traditional stoves. This produces a lot of smoke, creating ...

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