Engineering

New flow sensor can measure hydrogen in pipes of any size

Until now, it has been almost impossible to measure the energy density of hydrogen precisely, but a new sensor can register every single molecule. This could lay the foundation for correct accounting in the hydrogen economy.

Engineering

Metal foam front rails could make cars safer in collisions

A new study finds that composite metal foam (CMF) could significantly improve automobile safety during frontal collisions. Using computational models to run detailed simulations, researchers found that incorporating CMF into ...

Engineering

A 'raincoat' protects lead-free solar cells from the elements

One drawback of most solar cells made with efficiency-boosting perovskite is the presence of hazardous lead in the materials that turn sunlight into electricity. Next-generation solar cells made with the most promising lead-free ...

page 6 from 40