Author Archives: M. Eric Carr

Analog Mechanical Computing

Film showing principles of analog mechanical firing-control computers from 1953. Continue reading

Posted in Analog, Mechanical, Nostalgia | Leave a comment

3D Printer Workflow

A walkthrough of the design, slicing, and printing of an object — a paper towel holder. Continue reading

Posted in 3D Printing, HOW-TO | Leave a comment

Non-Newtonian Motion…?

NASA’s counterintuitive EM drive keeps passing peer review. If these results are valid, we just figured out how to make much more efficient spaceships. Continue reading

Posted in Current Events, Mad Science, Science | Leave a comment

Batteries, visualized

Researchers at the University of Michigan have made a see-through battery to research battery physics and directly observe dendrite formation. Continue reading

Posted in Components, Current Events, Electronics | Leave a comment