Bulbs
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Is a zero-watt bulb really zero? The truth behind this common household light
Technology | Jun 21, 2026, 06:45 AM ISTThe popular ‘zero-watt bulb’ found in many Indian homes does not actually consume zero electricity. The name dates back to the era of analog electricity meters that could not detect very low power usage.
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This new method for making green LEDs will enhance their brightness and efficiency, claim scientists
World | Jul 31, 2016, 10:43 AM ISTA new method has been discovered by a team of researchers at the University of Illinois at Urbana Champaign for making more efficient and brighter green light-emitting diodes (LEDs), which may pave the way for
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LED bulbs can make your white shirt ineffective!
Apr 19, 2014, 10:43 PM ISTNew York: If you bring your white shirts under an LED bulb to see how white they are, you may not be able make any distinction, a study suggests.Most LED bulbs produce no violet or
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