How To Connect Your Z-Wave Thermostat To Your Z-Wave Network? Go to the SmartThings mobile app and on the home screen select the Plus (+) icon and select ADD DEVICE. Then, select the thermostat’s manufacturers or choose OTHER than, GENERIC … Continue reading →

How do you know if a bypass valve is open or closed? It is closed when the handle is turned across the water line to which it is attached. The only time that valve is ever open is when you … Continue reading →

“It’s the world’s thinnest notebook,” said Steve Jobs as he introduced the MacBook Air 10 years ago today. Apple’s Macworld 2008 was a special one, taking place just days after the annual Consumer Electronics Show had ended and Bill Gates … Continue reading →

The first SIM card was invented by Munich-based smart card maker Giesecke & Devrient in 1991, following it’s development of the ‘SIM plug-in’ in 1989. G&D sold the first 300 SIM cards to the Finnish wireless network operator Radiolinja. What … Continue reading →

The big question is whether you should or not; I mean, the iPhone XR is not a new phone. The iPhone XR got a release date on September 12, 2018, so, at the time of writing it is almost three … Continue reading →

Oppo unveiled the Find X last June, and it made a lot of waves online thanks to its stunning design. The Find X looks similar to Apple’s iPhone XS, but features thinner bezels around the display, and most notably doesn’t … Continue reading →

If your pilot light is on, it should be easy to see – your eyes will be drawn to the little flame. If you don’t see a flame, your pilot light is out. If there is a flame, check the … Continue reading →

Thomas Edison. The dictionary says it was Thomas Edison who put hello into common usage. He urged the people who used his phone to say “hello” when answering. His rival, Alexander Graham Bell, thought the better word was “ahoy.” Who … Continue reading →

1882. “Though not formally known as a city of lights, New York is almost always incandescent, aglow with amorphous light from millions of bulbs. On this day in 1882, with the flip of a switch, electric lights brightened our city … Continue reading →

Electrification. An advance of great importance was the introduction of the electric carbon-arc lamp, which was exhibited in experimental form in 1808 by Sir Humphry Davy. The Paris Op?ra developed the earliest electric arc effect—to represent a beam of sunlight—as … Continue reading →

The “good luck swatting” stopped in 1972 when the Guinness World Records declared it the oldest working lightbulb. Then in 1976, it was moved to another fire station in Livermore. A battery backup system was installed and the bulb was … Continue reading →

The electric light bulb has been called the most important invention since man-made fire. The light bulb helped to establish social order after sundown, extended the workday well into the night, and allowed us to navigate and travel safely in … Continue reading →

A Lighting Designer will work with the Director, Artistic Director and/or Lighting Technicians to create the visuals for lighting, lasers, strobes, spots and sometimes video screens for a performance. What do lighting designers need? Here are some must-have skills for … Continue reading →

By the late 1700s, most of our aristocratic homes would have been lit by a selection of candles made of expensive beeswax, or perhaps from even more expensive spermaceti, the wax extracted from the head cavities of sperm whales. How … Continue reading →

The following is information about the original Victorian street lights and lamplighters of the 1800s: At first, street lights were lit with oil, such as whale oil. Lamplighters not only lit the lamps, but they replenished the whale oil and … Continue reading →