Automakers long have touted the grilles of their products as bold, iconic, intricate, elegant, powerful or stylish. Behind the grille often reveals a feature that doesn’t gather glowing adjectives but ...

Living in a brushfire-prone area, [Erich] had a set of roller shutters installed to protect his home. Mains power can be spotty in emergencies, so the shutters are powered by NiMH batteries which are ...