Philly's streetlights are getting an upgrade to keep the city out of the dark. The city has completed a two-year initiative, called the Philly Streetlight Improvement Project, to replace every ...

LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...

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

There are several reasons why you're better off sticking with the stock halogen or high-intensity discharge (HID) bulbs in your car, rather than replacing them with cheap aftermarket LED headlights.

Sambhv Steel Tubes initial public offer (IPO) opened for public subscription in the primary market on Wednesday after mobilising Rs 161.25 crore from anchor investors, a day ahead of the launch.

Thanks to the mass-adoption of LED and HID headlights on passenger cars, the roads at night have become an ever-brighter and paradoxically increasingly dangerous world. Whether it's people who leave ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

SAN FRANCISCO (KGO) -- Few of you have probably heard of knob and tube electrical wiring. But, it turns out you should know more, because insurance companies are now canceling and denying homeowners ...

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 ...