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The immensely popular LCDs screens that are found everywhere in the modern home (television, computer, laptop, cellphones, etc) use less energy than CRTs, the previous technology, but they are still far from being optimally efficient. Only about 8% of the light emitted by a LCD's backlight makes its way out, and the rest is wasted. But that might be about to change thanks to a new filter that could boost that efficiency by more than 400% and allow around 36% of the light to pass through.
A European Union ban on the manufacture and import of 100-watt and frosted incandescent light bulbs, in use since the 19th century, has come into force.
Apart from containing several toxins that always make trashed LCD screens an ever increasing threat to the ecosystem, researchers believe that LCD screens carry compounds that can be recycled for their medicinal value. These researchers opine that the solution is not just for hospital patients but also for e-waste.
Detailed thought-provoking blog post on the power consumption of various in-home av setups
futuristic new sets are a huge power drain compared to their cathode ray predecessors. That's why the California Energy Commission is considering a preemptive crackdown on flat screens.
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