During holidays and weekends, young people spend less time on outdoor activities in natural environment, such as hiking and mountain climbing. Why is this the case? What can be done to encourage them to go out? Give reasons for your answer and include any relevant examples from your own kno...
Dusk to dawn lights include a special photocell placed inside that is sensitivetolight. When the photocell is being exposed to sunlight, the light bulb will not turn on. However, when it no longer detects high levels of light, the light bulb will turn on by itself. Are dusk to dawn li...
When a lot of light hits it, it has almost zero resistance -- it conducts electricity very well. When no light hits it, it has high resistance -- it conducts electricity poorly. In an extremely simple circuit, you would wire a CdS cell directly to a relay (see How Relays Work), so...
When we talk about light in reference to sunglasses, three types of light are important. Direct light - Direct light is light that goes straight from the light source (like the sun) to your eyes. Too much direct light can wash out the details of your surroundings and make it almost painf...
for more information on how photoresistors work. Now let's see how the whole setup works to light your yard at night. Producing Light If you have read the article How Solar Cells Work, you have a basic understanding of solar-cell technology. A solar yard light uses standard solar cells...
Dual-mode cell phones can switch from the outdoor cellular network to the indoor WiFi network (and vice versa) during the same phone call. Contents Using HotSpot@Home HotSpot@Home Technology Using HotSpot@Home With HotSpot@Home, users Photo courtesy T-Mobile Once you're connected to the...
Light Up Your Ride – Can-Am Defender DPS – Light bar Installation Estimated reading time:3minutes How to Wire an LED Light Bar with Wiring Harness & Switch on a Can-Am Defender Recreation Vehicle Adding an LED light bar to your Can-Am Defender recreation vehicle can significantly enhance ...
s not the electrical outlet but rather a burnt-out light bulb that is the problem, plug something else into the same outlet, such as a blow dryer or a cell phone charger. It’s also a good idea to see if the breaker has tripped. If not, this is another indication that the problem...
Cell phone boosters will not work for you if: You have no cell signal outside your home, office, or vehicle. You’re trying to improve outdoor cell reception as they’re not designed for that. You’re trying to enhance your broadband internet connectivity. Can I Install a Signal Booster...
When we talk about light in reference to sunglasses, three types of light are important. Direct light - Direct light is light that goes straight from the light source (like the sun) to your eyes. Too much direct light can wash out the details of your surroundings and make it almost painf...