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Author Archives: gregorykimball
Photon Battery Device (PBD)
Hey it worked! Finally put together my new solar-powered ultra-high power LED and it’s sweet! The solar cell is 1W and the LED runs at 2W, so for every two minutes of sun you get one minute of light! The … Continue reading
Posted in Projects, Solar Panels
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LED First Light
Wow, LED’s are amazing! I just fired up my Cree XM-L2 LED with a 3-cell NiMH battery pack and a 0.91 ohm resistor to keep the current under control. The circuit runs at 500 mA, which corresponds to 1.4 W … Continue reading
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Energy Conversion Project
Semiconductor devices have never been cheaper! I picked up a 5W, 650 lumens LED for single-digit dollars, along with a rechargable 3.6V NiMH battery pack and 6 solar cells for good measure. I think it’s going to take a lot … Continue reading
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Q2 2012 PV Quarterly Reports
In June 2012 I compiled my research into the quarterly reports of the major players in photovoltaics, and even though Suntech still hasn’t released its final Q2 2012 numbers, I think it is time for an update. Companies such as Suntech, … Continue reading
Posted in Solar Panels
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Carpentry!
So I finally got around to making a proper spice rack for the kitchen. The old one was overflowing and spices were falling everywhere, but luckily there is a home depot a few miles nearby. You almost can’t see it … Continue reading
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Bike!
I finally got a bike! It had been almost ten years since I had one! I used to ride around the gulf coast of Florida like crazy when I was a kid, but I never tried out riding when I … Continue reading
Posted in Uncategorized
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Best Fossils Ever…
So I started getting a hankering for some fossil fuels. The good stuff: light, sweet crude oil and anthracite coal. These are the finest fossils that the earth has to offer us, refined and smelted over millions of years. They … Continue reading
Posted in Science
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Lifestyle Upgrade!
Well this actually happened in August 2012, but I think it’s about time to do a side-by-side comparison. Getting a new phone might have been the biggest technology leap I’ve taken yet. In the red trunks, released early 2007, weighing … Continue reading
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Q1 2012 PV Quarterly Reports
If you follow the PV industry as closely as I do, you have probably heard enough analysis and predictions to make you nauseated. In the simultaneous boom and collapse of the PV industry, current events are confusing enough without … Continue reading
Sign the petition!
On May 20, 2012, the first signature was added to a new petition at whitehouse.gov: We petition the Obama administration to Require free access over the Internet to scientific journal articles arising from taxpayer-funded research. The petition is part of … Continue reading
