American Journal of PhysicsT. F. Jordan and J. Maps, "Change of the plane of oscillation of a Foucault pendulum from simple pictures", Am. J. Phys. 78, 1188 (2010).T. F. Jordan and J. Maps, Change of the plane o
First, I need to get a major gripe with DickB1's design out of the way. All mechanical parts of his clock were designed by proprietary software from CarveWright. The design files can be purchased from CarveWright and can be used only if you own a CarveWright router. The files cannot b...
The actual build (starting at step 3) shows an easy to make version, that uses a set of simple parts, and this is my prototype clock. It's the clock I assembled as a proof of concept. It's simple enough that you can probably put it together in an evening if you have the right ...
This picture is out of date: I've since added more mercury that came from a leaking barometer I got at a school auction, and cleaned it all up by using a coffee filter with a pinhole in the bottom of it (a technique I learned fromTimothy Brumleve). Amazingly, you can simply let dir...
Fish pose Matsyasana Fish is a pose that increases the strength and flexibility of the shoulders and neck. See useful hints and tips with great yoga video footage
Whoever wants to be a Christian should tear the eyes out of his Reason. PM me for the source of this quote. SS-18 ICBM Oscillator Joined Mar 5, 2006 Messages 15,292 Location Here and there May 25, 2009 #722 Spoiler : "Thus its life swings like a pendulum backwards and forwards...
Pendulum Clock Check Price onAmazon These are one of the most famous types of clocks used around the world. Invented in the 1600s, pendulum clocks have been consistently used not just in homes and offices but also in numerous public places. ...
The European mantis hunts mainly by sight. Information about its surroundings are provided by the insect’s large, forward-facing compound eyes, and by three small, simple eyes positioned between the compound eyes on the top of the head. ...
Finding desk toys for a hard worker can be fun, and such the large selection allows for many tastes. Not all desk toys are silly in nature, like the Zen garden, they can add to the beauty and peaceful atmosphere of an office. Choose desk toys to match the personality of the recipient...
I had a week of severe diarrhea and then medication combined with the BRAT diet did the trick. I am now feeling well but weak. (I'm 73) However the pendulum has swung the other way and I haven't had a motion for a couple of days. My question is when should I attempt to address...