Technology

No Picture
Going Green

Solar Helicopter on Mars

NASA made the news over the weekend when their latest Mars rover did a short helicopter-powered flight.  It’s the first powered flight off the surface of a planet other than Earth.  What makes it even […]
Going Green

Heat Tape

Large buildings like hospitals have a central hot-water circulation loop.  Hot water circulates in the loop constantly.  Every hot water fixture is a short length of pipe away from the central loop so that hot […]
Going Green

Buy A Water Purifier

Americans purchase 30 billion water bottles EVERY YEAR. That means 20 million plastic water bottles are discarded EVERY DAY in America.  It takes 40,000 semi-trucks working night and day to deliver those water bottles. Only […]
Going Green

Flow Restrictors

It is helpful to promote a general philosophy of water conservation, especially in the kitchen and laundry. People tend to think of water as an inexhaustible resource, not realizing that energy is saved by not […]
No Picture
Going Green

Hot-Water Circulating Loop

Many commercial buildings, especially those using generous amounts of hot water like hospitals or hotels, have a closed loop in which hot water is constantly circulated by a small pump. When a tap is open, […]