2011年6月27日 星期一

Tacky Glowing Valve Caps Look Cheap, Are Cheap

Tacky Glowing Valve Caps Look Cheap, Are Cheap

Valve-cap LEDs may be tacky, but they'll also make you safer at night

Here’s a case where tacky novelty can actually result in something that keeps you safe and also makes you look cool. The Flash Tire Wheel Valve Cap Lights pretty much sum up their function in the name: they are little LED lamps that replace your bike valve dust caps.

The little battery-powered lights screw onto a Schrader valve (the fat kind also found on cars and motorbikes) and glow like tiny Lightsabers. For such a cheap items (just $3 per pair on Amazon), they’re actually pretty smart. Instead of switches, the lights have motion and light sensors so they only turn on when you’re moving and it’s dark. Once you get going, they’ll paint a virtual circle of light in the air.

Be careful, though.While using compact fluorescent light bulbs energy saving light helps conserve energy, it is important that the bulbs are collected and recycled properly to protect our environment Fellow gadget blogger and Wired.com alumnus John Brownlee put something similar onto his bike when he lived in Berlin, Germany. His lights were bigger and flashier, but the effects on the normally calm and bike-friendly population of Berlin were startling. Poor John was heckled and even had beer bottles thrown at him on one night ride.

If you decide to risk it, strap on a helmet and grab a pair in red,Compact fluorescent light bulbs convert a led tube considerably higher percentage of their energy into light, which is why they are significantly more energy efficient than traditional filament bulbs. green or blue.
Lighting the way to public incandescence (Letters).

It is so discouraging to see the misinformation about the problem of mercury in compact fluorescent lamps (CFLs) popping up all over the place, including the top of a recent Leader letters’ page.

Our family has been using them for about 20 years now.

We started off with just two or three bulbs, since each one cost $15 to $20, and that was in 1990 dollars. Now, every location in our house that can hold a CFL has one.Compact fluorescent light bulbs convert a led tube considerably higher percentage of their energy into light, which is why they are significantly more energy efficient than traditional filament bulbs.

Over the time we have used them,The FTP and Web tests were r4購入 also close, but the U600 achieved slightly faster FTP download speeds. Most importantly, when I compared head-to-head results in individual test rounds, we have had to recycle at most 25 bulbs, or a little over one a year on average. I wonder how many watch batteries an average household throws in the garbage during a year. One tiny battery contains more mercury than one CFL.

Additionally, the mercury released in the generation of electricity must be factored into the equation, since incandescent bulbs use four times as much energy as CFLs.

In B.C., we are lucky that our own sources of electricity release little mercury, but at peak times when we have to import energy from other places, this can involve sources generated from the burning of fossil fuels.While many consumers have switched from Led down light traditional filament light bulbs to compact fluorescent light bulbs,

In that case, incandescent bulbs can actually cause more mercury to be released into the atmosphere than CFLs.

So, let’s get on with saving our environment by reducing the energy we use.

We just need to make sure that we take the proper precautions and recycle the bulbs rather than throwing them in the garbage, so that the mercury in them is properly contained. We can also be early adopters of yet another new technology, and try out the new LED lights as they come to market.

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