Espresso on the go, citizen scientists on the web, tinfoil to the rescue, and a glimpse at the new Makers Market.

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Killer Krawler

$699 chassis kit, $1,200 ready to run rc4wd.com

I have several years of experience in R/C vehicles, and in my opinion, the coolest innovation in the hobby are the crawlers from RC4WD. As the name implies, these are incredible crawling machines that are super fun to build and to run. Like a good video game, they’re easy to pick up, but hard to master. Crawlers are built to climb over serious terrain, and some are built as scale trucks that look as realistic as possible (while still being monster crawlers). There’s ...

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