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81. definition of gravity (score: 17)

Author: John Denker <jsd@av8n.com>

Date: Wed, 09 Nov 2011 11:59:42 -0700

On 11/09/2011 11:33 AM, Aburr@aol.com wrote: I have found this thread to be particularly interesting, challenging , and useful. It's always fun when a topic can cover, in a single sentence, the found

/archives/2011/11_2011/msg00146.html (5,744 bytes)

82. definition of gravity (score: 17)

Author: "Rauber, Joel" <Joel.Rauber@SDSTATE.EDU>

Date: Wed, 9 Nov 2011 19:59:07 +0000

-- The laws of motion are *not* invariant with respect to angular velocity. There *is* such a thing as absolute rotation rate. You can detect this with a gyroscope, with a Foucault pendulum, with any

/archives/2011/11_2011/msg00147.html (4,522 bytes)

83. definition of gravity (score: 17)

Author: chuck britton <cvbritton@mac.com>

Date: Wed, 09 Nov 2011 15:16:43 -0500

And Ernst Mach asks about the two rocks on the ends of a rope in an 'empty' universe. . At 7:59 PM +0000 11/9/11, Rauber, Joel wrote: -- The laws of motion are *not* invariant with respect to angular

/archives/2011/11_2011/msg00148.html (4,772 bytes)

84. Galileo was wrong (score: 17)

Author: "Jeffrey Schnick" <JSchnick@Anselm.Edu>

Date: Mon, 20 Sep 2010 13:10:28 -0400

It is my understanding that the Church told Galileo that it would be okay for him to say that it is much easier to describe/predict the motion of the planets in an inertial reference frame centered o

/archives/2010/9_2010/msg00235.html (11,145 bytes)

85. Truss. Was: Re: backwards units : entrenched usage (score: 17)

Author: Bernard Cleyet <bernardcleyet@redshift.com>

Date: Fri, 23 May 2008 14:06:42 -0700

We have a new building and a reading room with a 32ft ceiling. We are planning on constructing a Foucault pendulum there. Anybody have one and care to share some insight or gotchas to watch out for?

/archives/2008/5_2008/msg00280.html (6,734 bytes)

86. Rotating reference frames video (score: 17)

Author: John SOHL <JSOHL@WEBER.EDU>

Date: Fri, 18 Nov 2005 11:13:19 -0700

Hi All: Someone asked me about this today and I thought I'd pass it along to the list too in case someone might find it useful. A few years ago I produced a video that is by no means original. I have

/archives/2005/11_2005/msg00287.html (5,207 bytes)

87. Re: A Third law question (score: 17)

Author: anngeorg at PACBELL.NET (Bernard Cleyet)

Date: Fri, 29 Dec 2017 00:33:37 -0500

The advanced lab at UCSC was largely based on some of the great experiments. The students were encouraged to read the originals in the file I kept for that purpose. e.g. Millikan (oil drop), Brownian

/archives/2005/10_2005/msg00183.html (9,289 bytes)

88. Re: A Third law question (score: 17)

Author: jlu at HEP.ANL.GOV (Jack Uretsky)

Date: Fri, 29 Dec 2017 00:33:37 -0500

Hi allI think it was Keith Bruckner who used to start off a new class with the comment (cigar in mouth) "No two people can communicate." Here is further evidence that, as a first approximation, he wa

/archives/2005/10_2005/msg00198.html (9,988 bytes)

89. Sir Hoyle on Copernicus and Ptolemy (score: 17)

Author: John Clement <clement@HAL-PC.ORG>

Date: Mon, 20 Jan 2003 09:21:44 -0600

There certainly are effects that one can predict from the Copernican theory that are not present in the Ptolomaic theory. Both the Foucault pendulum and the coreolis pseudoforce can be predicted by t

/archives/2003/01_2003/msg00111.html (6,445 bytes)

90. eclipse and pendulums (score: 17)

Author: William Beaty <billb@ESKIMO.COM>

Date: Fri, 6 Aug 1999 19:16:26 -0700

NASA Space Science News for August 6, 1999 A Solar Eclipse, Global Measurements, and a Mystery: On August 11, scientists around the world will attempt to solve a 45 year mystery: Does a solar eclipse

/archives/1999/08_1999/msg00171.html (3,846 bytes)

91. curvature of buckets of water (score: 17)

Author: Leigh Palmer <palmer@SFU.CA>

Date: Mon, 5 Jul 1999 11:31:14 -0700

I have a question about "absolute rotation." If one placed the bucket of water in the center of the rotating platform, one gets a curved surface. If one places the bucket of water off-center of the r

/archives/1999/07_1999/msg00095.html (5,598 bytes)

92. curvature of buckets of water (score: 17)

Author: Gary Karshner <karshner@STMARYTX.EDU>

Date: Mon, 5 Jul 1999 13:38:35 -0500

Robert I have a question about "absolute rotation." If one placed the bucket of water in the center of the rotating platform, one gets a curved surface. If one places the bucket of water off-center o

/archives/1999/07_1999/msg00096.html (4,879 bytes)

93. curvature of buckets of water (score: 17)

Author: "James W. Wheeler" <jwheeler@EAGLE.LHUP.EDU>

Date: Mon, 5 Jul 1999 15:21:24 -0400

There is another application of off-axis paraboloid surfaces. Many microwave antennas (Horns) utilize them to get their "throw". Examples-The Penzias and Wilson antenna/ the echo antennas (in Andover

/archives/1999/07_1999/msg00100.html (6,187 bytes)

94. "Faraday's Disk" which started it all (score: 17)

Author: Bob Sciamanda <trebor@VELOCITY.NET>

Date: Thu, 1 Jul 1999 03:02:57 -0400

-- Original Message -- From: William Beaty <billb@ESKIMO.COM> To: <PHYS-L@LISTS.NAU.EDU> Sent: Wednesday, June 30, 1999 5:42 PM Subject: Re: "Faraday's Disk" which started it all . . . Does leaping b

/archives/1999/07_1999/msg00000.html (9,427 bytes)

95. "Faraday's Disk" which started it all (score: 17)

Author: William Beaty <billb@ESKIMO.COM>

Date: Thu, 1 Jul 1999 16:07:34 -0700

On Thu, 1 Jul 1999, Bob Sciamanda wrote: For details of how a current loop (a magnetic dipole) is also an electric dipole when viewed in motion, see pg 340 of Panofsky & Philips (1rst ed). Essentiall

/archives/1999/07_1999/msg00030.html (13,575 bytes)

96. "Faraday's Disk" which started it all (score: 17)

Author: Bob Sciamanda <trebor@VELOCITY.NET>

Date: Thu, 1 Jul 1999 20:13:30 -0400

-- Original Message -- From: William Beaty <billb@ESKIMO.COM> To: <PHYS-L@LISTS.NAU.EDU> Sent: Thursday, July 01, 1999 7:07 PM Subject: Re: "Faraday's Disk" which started it all On Thu, 1 Jul 1999, B

/archives/1999/07_1999/msg00032.html (21,555 bytes)

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