The Family Handyman on MSN8h
Here’s What Those Window Bars With a Potbelly Are Actually For
Have you ever walked down the street and noticed quirky metal bars sticking out just below the windows? Those are window belly bars, also known as potbelly grilles. While they might look purely ...
pv magazine International7h
The impact of ice balls on PV module hailstone safety standards
Researchers in Switzerland have investigated the impact behaviour of ice balls on an aluminium Hopkinson bar at different velocities, diameter and temperature.