Pass the Nuts

Cashew shells can be used to mop up heavy metals. Nature India reports that researchers have developed an absorbent material from chemically modified cashew nut shells, an agricultural waste product, which is able to remove harmful heavy metals such as copper, cadmium, nickel, and zinc from aqueous solutions. This kind of sustainable solution for cleaning up industrial […]

The Billboard is the Message

The Ricoh Eco Board in Times Square is the world’s first 100 percent solar-powered electronic billboard, powered solely by 62 solar panels and 24 thin-film PV solar modules, and illuminated by 16 LED floodlights. The panels can store enough energy to light the board for four days, but Ricoh is cool with the sign going dark […]