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US company Prysm has taken the covers off what it claims is a new type of ultra-low power HD TV that combines old-style CRT elements with laser technology. |
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US company Prysm has taken the covers off what it claims is a new type of ultra-low power HD TV that combines old-style CRT elements with laser technology. |
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Those big, bright flat-panel TVs suck down far more power than the puny cathode-ray tube TVs they?re rapidly replacing. Which is why regulators and environmentalists ? who usually reserve their passion for shrinking rain forests, melting glaciers and gas-guzzling SUVs ? are turning their attention to the once-humble TV set. |