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- Newsgroups: sci.physics
- Path: sparky!uunet!gatech!hubcap!jtbell
- From: jtbell@hubcap.clemson.edu (Jon Bell)
- Subject: Re: energy, mass, and all that
- Message-ID: <1992Nov22.214037.20098@hubcap.clemson.edu>
- Organization: Presbyterian College, Clinton SC
- References: <98407@netnews.upenn.edu> <20NOV199207183499@csa3.lbl.gov> <98706@netnews.upenn.edu>
- Date: Sun, 22 Nov 1992 21:40:37 GMT
- Lines: 12
-
- In article <98706@netnews.upenn.edu> weemba@sagi.wistar.upenn.edu (Matthew P Wiener) writes:
-
- >In 1905, Einstein pointed out that there is an inertia associated with
- >energy. T=E/c^2. (Not E=mc^2.) That meant that if you had two equal
- >systems vis-a-vis their _matter_, they would weigh differently if the
- >one was at a higher temperature than the other.
-
- Just out of curiosity, has anyone actually _observed_ the increased mass
- (or weight) of a hot object? (I'm not disputing Matthew's statement, just
- wondering if there is any direct experimental evidence for it.)
-
- Jon Bell / Dept. of Physics & Comp. Sci. / Presbyterian College / Clinton SC
-