DIY Personal Standards Supplies 
Cars That Think
JUNE 2, 2022
One month into the Russian invasion of Ukraine, a group of more than 100 makers from all over Ukraine manufactured and supplied a number of 3D-printed products to the Armed Forces of Ukraine, the Territorial Defense Force, and the Air Forces. Personal connections are one of my primary sources of information about what is happening in Ukraine.
Cars That Think
AUGUST 9, 2021
As the editor responsible for IEEE Spectrum 's Hands On DIY section , it's taken longer and longer each month to find projects incorporating interesting new capabilities. Fortunately, our team has been able to optimize the supply chain and inventory while, at the same time, putting a lot of pressure on our strategic vendors.
Tony Karrer Delicious EVdriven
APRIL 21, 2009
Our goal is to enable owners to enlist a local electrician/engineer to convert their cars, initially with lead-acid batteries, for under $6,000 and less than two person-weeks of time. (We We will have similar solutions available for better (but more expensive) nickel-metal hydride or lithium-ion batteries.)
Cars That Think
NOVEMBER 21, 2021
A person who requires insulin must walk a tightrope. If it falls too low, the person may faint; if it rises too high and stays elevated for too long, the person may go into a coma. The entire blood supply of a typical adult contains 4 or 5 grams of sugar—roughly as much as in the paper packet that restaurants offer with coffee.
Tony Karrer Delicious EVdriven
APRIL 16, 2009
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