Not all inner tubes were created equal, and today with the rapid proliferation of lightweight TPU options on the market that’s never been clearer to see. Just like with many things in the cycling ...

Abstract: This study investigates the harmonic emissions, photometric performance, and techno-economic implications of retrofitting T8 fluorescent tubes with LED alternatives under various ballast ...

Over recent years, there’s been a growing movement by the EU and the UK government to accelerate the withdrawal of dangerous substances in electrical and electronic devices - such as conventional ...

The European standard EN61000-3-2 sets tight restrictions on lighting devices that consume more than 25 W with regard to total harmonic distortion (THD). These lighting devices also need to follow the ...

Should transmission and differential fluids be changed on a 2006 Subaru Outback with only 41,000 miles? Since car batteries are so expensive, is it possible to use a cheaper marine battery in an ...

Legendary Porsche tuner RUF is offering a new LED kit for the 993-gen 911. Created with input from the 993's designer, the kit is plug-and-play simple. The new LEDs cost about $8700 and are almost ...

Figure 1. Cutaway of the membrane feature of waterwall panels. Source: Reference 1 via Reference 2. This author’s experience includes nearly twenty years at two coal-fired power plants. The defining ...

Abstract: Fluorescent tubes have long been the mainstay of lighting for many premises, due to relatively high efficiency and long life. LED efficiencies are set to exceed those of fluorescent tubes, ...

Educational content; not financial advice. Prices are estimates; confirm current rates, fees, taxes, and terms with providers or official sources. Knob and tube wiring was commonly installed in homes ...