Month: December 2011

Ultra High Performance Double Pendulum

Ultra High Performance Double Pendulum

We covered Flickr user yamamo2’s (and his father’s) first high-performance double pendulum build back in 2009. The first version would swing for about 10 minutes, without added energy, after being started. The latest version swings for fully twice that, as the embedded video—all twenty-two minutes of it—thoroughly demonstrates. I haven’t seen any info about the design changes required to achieve this level of performance, unfortunately.

The Making of a New O’Reilly Media Ebook: Cool Tools in the Kitchen

The Making of a New O’Reilly Media Ebook: Cool Tools in the Kitchen

Broadly defined, a Cool Tool can be any book, gadget, software, video, map, hardware, material, or website that has proven utility. The reviews there are not the kind of comparative reviews you’ll find in magazines and other websites, which give pros and cons for each item. Rather, our reviews are outright rave recommendations submitted by readers who swear by the items, telling you why you should use them as well. Think of this book as a very knowledgeable best friend recommending the coolest stuff in no uncertain terms.

Ornamentation Opinions?

Ornamentation Opinions?

This season brings attention not just to ornaments, but to the whole idea of ornamentation and why we like it (or don’t). Here’s a question I’d love to get some opinions on. You can share in the discussion below, or if you want to contribute to opinion statistics, here is a SurveyMonkey poll. I’ll summarize […]