Cars That Think
AUGUST 20, 2021
Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries. Here I took advantage of already owning an electric lawnmower, figuring that the 40-volt, 4-ampere-hour battery I had for it would serve well.
Cars That Think
AUGUST 20, 2021
Terrafirma Technology , a company started by an engineer named Michael House who has gone into business supplying 3D-printed adapters to people who want to repurpose lithium-ion power-tool batteries. Here I took advantage of already owning an electric lawnmower, figuring that the 40-volt, 4-ampere-hour battery I had for it would serve well.
Cars That Think
NOVEMBER 23, 2022
Far and away our most popular article in the last five years has been “ Build Your Own Professional-Grade Audio Amp on the Sort of Cheap ” (November 2018). And a follow-up to that article, “ A Web-Enabled, High Quality, DIY Audio Amp ” (March 2022), comes in at No. Are there trends in DIY projects you think we’re missing?
Green Car Congress
FEBRUARY 14, 2020
I knew I wanted something for her that was cheap to maintain, had a reliable automatic transmission, came with cruise control, AC. They had some inverter issues in the 3rd Generation Prius in which the hybrid technology changed, but Toyota issued a recall for that. It is something very cheap to fix and to inspect.
Cars That Think
JULY 30, 2021
KAIST/Korea Polytechnic University The paper doesn't directly address the cost of the MHD, and with three motors and some other electronics in it, it's not likely to be super cheap. It's also possible to build your own MHD device for cheap , if you know what you're doing.
Cars That Think
NOVEMBER 28, 2021
That successful mission in August 2018 was a huge step toward our goal of sending an amateur astronaut to the edge of space aboard one of our DIY rockets. The HEAT-2X rocket , scheduled to launch in late 2014, was meant to demonstrate that technology. BPM100 , uses technologies we mastered for the BPM5, with a few improvements.
Cars That Think
NOVEMBER 26, 2023
Many of us have gotten used to being able to dampen unwanted sound, thanks to the noise-cancellation technology found in, for example, Apple’s AirPods Pro earbuds. Now, after countless versions of wiring things together, and even designing my own audio mixers, I finally have a DIY solution that works within a reasonable budget.
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