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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.

40ft Waterproof,
6.6ft Shockproof,
14°F Freezeproof,
Dustproof
Full HD Video Recording in AVCHD/MP4 Format
GPS Function with Altimeter, Barometer, and Compass

Panasonic and NHK have taken the wraps off a monster 145in 8K plasma TV – the world's first self-illuminating Super Hi-Vision TV. That means a resolution of 7680x4320 – and at 145in it blows Sharp's 85-incher out of the water.

Panny and NHK have been able to create a plasma that size by developing a new vertical-scanning drive method for the display to ensure a stable image. Check out the full technical explanation here.

Unfortunately there's not much to watch on it just yet. The BBC will be screening some of the Olympics in 8K, though it's unlikely that the prototype will be making its way over to our shores anytime soon.