Hitachi has announced that it will offer 100W-equivalent LED bulbs, joining companies such as Philips, GE, and Sylvania. (A typical 100W incandescent bulb has an output of about 1700 lm, for an ...
Hitachi Maxell Ltd has released an LED-based lantern that generates electricity by using water and salt. The lantern, "Mizusion," emits light because magnesium alloy, oxygen in the air and salt water ...
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