Informatika és tudomány

  • Epikurosz
    #272
    "A lighting revolution is on the way that could end at the flick of a switch the battle between supporters of conventional bulbs and the eco-friendly variety.
    Cambridge University researchers have developed cheap, light-emitting diode (LED) bulbs that produce brilliant light but use very little electricity. They will cost £2 and last up to 60 years.
    Despite being smaller than a penny, they are 12 times more efficient than conve

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