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DIY Gamma-Ray Spectroscopy with a Raspberry Pi Pico

Cars That Think

So when I decided to build a cheap DIY scintillating gamma spectrometer, it was the natural choice—although I didn’t realize I’d find myself navigating around teething problems of the sort that often affect a first-generation integrated circuit. My interest in gamma-ray spectroscopy came from my physics studies. V the SiPM needs.

DIY 103
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Soot and Spin: Two Plug-in Paradoxes

Plugs and Cars

Required reading: Bill Moore's EVWorld review and Martin Zimmerman's LA Times piece about their test drives of the Toyota Plug-in Prius and the hydrogen fuel cell Highlander FCHV. It also spreads doubt about the enviro bona fides of plug-ins. Third-party and DIY converters can't muck with every system on a car.

Plug-in 100
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Looking to get in a hybrid for cheap? Used Toyota Prius 1.5 HSD 2004-2009 Review

Green Car Congress

Used Priuses, especially the Generation 2 that were made from 2004 to 2009 are becoming a bargain to buy, especially for the MPG and features you get in return. How did it all start? We need to go back to November 2017, to the start of the ‘Prius Revolution’ in the family. It was time to buy our first car. This criteria only left the Prius in play.

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Detect Quakes With “Raspberry Shakes”

Cars That Think

Searching the interwebs, I found no shortage of leads about how to build a DIY seismometer. The problem is that the DIY seismometer designs I was seeing were large and ungainly contraptions. These range from about one cycle per second (1 hertz) down to a fraction of a cycle per second. was, in fact, a small earthquake.

Panama 121
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Etiquette In Charge

DIY Electric Car

It's applaudable to see so many plug-in vehicles on the roads. Here's a scenario philisophis electricus: You are beyond the range of no return. but at the public charge; it's a shock. You pull into your strategic public charger to find it occupied by, let's say a Volt. You can not get home, the Volt of course, can. Do you unplug it?

Charging 100
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We Are Now Legal!!!

DIY Electric Car

We have had a few road tests, trying to find the actual range per charge. and taking about 6 hours to charge @ 10amps per charger from a standard 115 volt ac plug rated at 15 amps. miles) The range and speed performance is not bad for used UPS (uninterrupted power supply) batteries from a computer back up system.

Legal 100
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How to Get a Plug-In Hybrid

Tony Karrer Delicious EVdriven

About CalCars Plug-In Hybrids FAQ How to Get a PHEV Where PHEVs are Carmakers Say. At these prices, people are buying the "environmental feature" -- they want to be among the first owners of the worlds cleanest extended-range vehicles. See How Carmakers are Responding to the Plug-In Hybrid Opportunity.

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