Batteries: Recharge & Reuse

April 9, 2018 john 0

Not for laptops, phones, tablets and all the other gadgets we own with lithium-ion rechargeable batteries embedded in them; we’re talking about all those other […]

Palm Springs Wind Power

April 6, 2018 john 0

We arrived in Palm Springs after sunset, but as we approached the ghostly outlines of wind turbines appeared around us. We had seen them early […]

LimeBike Scooters in the Wild

March 27, 2018 john 0

In an earlier post here talking about alternative commute options we mentioned the LimeBike electric scooters. Today, in San Francisco, we found several of them […]

Perovskite Solar Cells

March 23, 2018 john 0

While photo-voltaic technology is widely available now, and an excellent source of renewable electricity in many places where there is plenty of sunlight, the actual […]

An Atypical Day

March 16, 2018 john 0

Earlier this week, I needed to drive my wife to the airport (about 30 miles from home), after dropping the kids at school, then find […]