[Matt Little] passed us this link to an interesting technical writeup (PDF) of the clock. The trick behind the most accurate pendulum clock is that it actually has two pendulums (pendula?).

The Foucault pendulum which was displayed for many years in the Smithsonian's National Museum of American History was removed in late 1998 to make room for the Star-Spangled Banner Preservation ...

The same technique also works here on Earth, and [Brick Experiment Channel] decided to build one out of LEGO to control an inverted pendulum. The initial design using a small LEGO wheel on an ...

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Let us help you with your inquiries, brochures and pricing requirements Request A Quote Download PDF Copy Download Brochure A selection for impact tensile and impact ...

Design Impact testing of ice hockey boards under laboratory conditions using a dynamic pendulum as well as anthropometric test devices (crash test dummies). Experimental Setting Three board elements ...

We list the best PDF merger tools, to make it simple and easy to combine documents together into one file. We put the top tools to the test to see which makes for the best workflow. The easiest ...

Chinese policymaking has responded to this dilemma by taking on a pendulum-like quality. Sometimes the authorities boost the economy by funding more investment spending. At other times that stimulus ...

The electoral pendulum orders seats from the most marginal to safest based on results of the last election. Click on the electorate name for a for a full profile of each electorate and its candidates.

A relatively recent field of research in quantum physics, quantum chaos, studies quantum systems that behave like classical chaotic systems (like a double pendulum or a billiard ball on a ...

We never left a feature untouched in our reviews of the best PDF editor. From OCR and eSignatures to cloud storage services, we’ve tested them all – so we know what makes the best choice for ...

Method: EVA mouthguard materials with and without foam gas inclusions and 4 mm thick were impacted with a constant force from an impact pendulum. Various porosity levels in the foam materials were ...