Monthly Archives September 2009

iRobot Looj First Mission

I just completed my first use of the iRobot Looj™125. The bottom line is, it was better than I expected. When iRobot first announced the Looj, my reaction was along the line of “what were they thinking?” I couldn’t imagine that there was enough market in home gutter cleaning robots to warrant the R&D cost. But then we had new landscaping installed, and found a section being damaged by water overflowing the corner of one of our gutters. Candace said she’d fix that section of the flower bed, but not until I cleaned the gutters. The Looj had reached its
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Categories: Tech and Toys.

Incandescent Lights: What EISA Really Means

There’s been a lot of press coverage recently of the incandescent lighting provisions of the Energy Independence and Security Act of 2007, and it’s largely been of the form “The US Government is banning incandescent light bulbs.” While this makes for good prime-time newsvertainment, it’s not really true. The tungsten light bulb was invented in 1905 as a fairly radical improvement on the earlier carbon filament bulbs, which would generally last less than a week before burning out. The humble incandescent light bulb was pretty constantly improved — both in terms of lifetime and efficiency — until about 1964. At
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Categories: Dear God, Make It Stop!, Eco-nerd, Politics and Local Topics, and Science.