How a Differential Gear Works
Wonderful industrial film from the 1930s showing how a car’s differential gear works.
Hands-on and project-based learning is making waves in the traditional education system for students and educators alike. Consider yourself a lifelong learner? Explore below for new ideas and information to discover!
Wonderful industrial film from the 1930s showing how a car’s differential gear works.
[Click on image to enlarge] Dave Hrynkiw, who runs Solarbotics and HVW Technologies, is our virtual Camp Counselor for “Teach Your Family to Solder” week. One of the things I love about Solarbotics’ kits is that they always have excellent, and funny, documentation. Each of these instruction booklets includes the brief soldering tutorial posted above. […]
Vincent Mariano, of the SPHS Solar Knights solar race car team out of South Plantation High School in Plantation, Florida, wrote in to ask us why we haven’t written anything about the Dell-Winston solar car challenge currently underway at the Texas Motor Speedway. Because we hadn’t heard from you yet, Vincent! Thanks, and good luck […]
In this clip from FMCG, Ken responds to Jeri’s capacitor deconstruction with his own very visual (and very mechanical) demonstration of how voltage is generated and how you can build a simple capacitor, with aluminum foil and plastic, to generate charge mechanically and dump it into the cap (analogous to how a Wimshurst machine works). […]
Our pal Jeri Ellsworth and her crew of restless USTREAM-ing hackers are at it again, exploring light polarization, sparking ions, and reversing time. The Fat Man and Circuit Girl
Heavy Metal II, Amped Up is the culminating event, hosted by the Boston Museum of Science and the Lemelson-MIT Program, is part of Eurekafest, a multi-day celebration designed to empower a legacy of inventors. Watch teams of high school students from across the country compete in an all-day challenge to build wind turbines that can […]
Our friends at Sparkle Labs sent us news of their new business cards and their forthcoming micro kits. Ariel writes: Check out our new business cards. They are actually little micro kits. Put it together and the LEDs light up in the dark. It uses one of the circuits included in the Discover Electronics Kit. […]