From: utzoo!decvax!decwrl!sun!megatest!fortune!hpda!hplabs!sri-unix!CStacy@MIT-MC
Newsgroups: net.physics
Title: Re: Equinocturnal Egg Standing Phenomenon
Article-I.D.: sri-arpa.778
Posted: Fri Apr  1 05:02:00 1983
Received: Mon Apr  4 01:05:52 1983

From:  Christopher C. Stacy <CStacy at MIT-MC>

    Date: 31 Mar 83 17:15:17-PST (Thu)
    From: npois!houxm!houxz!halle1 at Ucb-Vax
    Article-I.D.: houxz.286
    In-Reply-To: Article teklabs.1860
    Received: from Usenet.uucp by SRI-Unix.uucp with rs232; 1 Apr 83 3:48-PST

    I think it more likely that the egg was hard boiled, and you were tricked.

Indeed, I seem to remember this technique being mentioned in a
children's magic book I saw.