Engineering publications brought to you by Mark Allen

Energy & environment

Water repellent wax coating offers eco-friendly breathability

Solar-powered sensors show IoT potential

Organic cathode gives aluminium battery boost

Tesla research partner claims “million-mile battery” result

Soil sensor could reduce irrigation water by 35 per cent

Smart filter helps in fight against plastic pollution

Robotic pills could monitor cow health internally

Hinkley Point C cost estimate rises again

Anti-baldness hat powered by body movements

Planned obsolescence versus saving the planet

Late great engineers: Nikola Tesla

Last week’s poll: UK low-carbon priorities