Engineering

Clever coating turns lampshades into indoor air purifiers

Indoor air pollution may have met its match. Today, scientists will report that they have designed catalyst-coated lampshades that transform indoor air pollutants into harmless compounds. The lampshades work with halogen ...

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. ...

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