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Panasonic sends 100,000 LEDs down Tokyo river, mates tech with tradition
If you’d been by the shore of the Sumida River in central Tokyo this past weekend, you would have noticed that it was glowing a distinct shade of blue. That’s because Panasonic decided to kick off the first-ever Tokyo Hotaru (fireflies) festival by sending 100,000 EVERLED light bulbs down the river, both to mimic fireflies as well as to pay homage to a Japanese tradition of floating candles on the water. Before you cringe too much at the thought of the environmental impact, rest assured that Panasonic minimized the footprint of its aquatic LED parade. All the bulbs ran on solar power (presumably, charged during the day) that kept Evolta batteries fed inside, and the entire lot was scooped up in a large net afterwards. We love the exhibition as a large-scale demo of sustainable lighting — you may just want to avoid fishing along the Sumida’s shoreline for awhile in case you catch a straggler.
Panasonic sends 100,000 LEDs down Tokyo river, mates tech with tradition originally appeared on Engadget on Fri, 11 May 2012 20:23:00 EDT. Please see our terms for use of feeds.
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Shining Some Light on Sunspots
Right now, if you look at the sky at sunrise or sunset when the sun’s light is dim, you might be able to see Sunspot AR1476, which is now wending its way across the face of Sol, with your naked eye. The sunspot measures 160,000 km across, or about a dozen times earth’s diameter. Eyeballing the sun might hurt your eyes, of course, so it’s better to avoid looking directly at it.
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Shining Some Light on Sunspots
Right now, if you look at the sky at sunrise or sunset when the sun’s light is dim, you might be able to see Sunspot AR1476, which is now wending its way across the face of Sol, with your naked eye. The sunspot measures 160,000 km across, or about a dozen times Earth’s diameter. Eyeballing the sun might hurt your eyes, of course, so it’s better to avoid looking directly at it.
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