It is no secret that we like slide rules around the Hackaday bunker, and among our favorites are the cylindrical slide rules. [Chris Staecker] likes them, too, and recently even 3D printed a version.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This 10-inch, one-sided aluminum ...

When a rule gets broken at work, a leader’s first instinct is to act fast. The business response feels obvious: punish the offender and move on. But it’s rarely ...

The $1,000 per month rule helps estimate retirement savings needs in simple terms. For each $1,000 per month, save $240,000 assuming a 5% withdrawal rate. The rule doesn’t address inflation, market ...

Albert Phung has 7+ years of experience as a process improvement consultant for several businesses; currently with Alberta Health Services. Doretha Clemons, Ph.D., MBA, PMP, has been a corporate IT ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

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