From: Raymond Yohros on 6 Jan 2010 20:50 On Jan 6, 1:14 pm, Tom Roberts <tjrob...(a)sbcglobal.net> wrote: > Raymond Yohros wrote: > > maybe gw can be discover indirectly in some other way? > > Yes. They have been indirectly observed in the behavior of the binary pulsars. > They are spinning down at a rate accurately predicted by the emission of > gravitational waves in GR. Hulse and Taylor received a Nobel Prize for this. > > Tom Roberts > thanks tom! and this happen a long time ago! thank g-d for the nobel price http://nobelprize.org/nobel_prizes/physics/laureates/1993/press.html regards r.y
From: Raymond Yohros on 6 Jan 2010 20:56 On Jan 6, 1:14 pm, Tom Roberts <tjrob...(a)sbcglobal.net> wrote: > Raymond Yohros wrote: > > maybe gw can be discover indirectly in some other way? > > Yes. They have been indirectly observed in the behavior of the binary pulsars. > They are spinning down at a rate accurately predicted by the emission of > gravitational waves in GR. Hulse and Taylor received a Nobel Prize for this. > > Tom Roberts > thanks tom! and this happen a long time ago! thank g-d for the nobel prize http://nobelprize.org/nobel_prizes/physics/laureates/1993/press.html regards
From: Uncle Al on 7 Jan 2010 14:26 Sam Wormley wrote: > > The North American Nanohertz Observatory for Gravitational Waves > http://arxiv.org/abs/0909.1058 > > "The North American Nanohertz Observatory for Gravitational Waves > (NANOGrav) is a consortium of astronomers whose goal is the creation of > a galactic scale gravitational wave observatory sensitive to > gravitational waves in the nHz-microHz band. [snip] 1) A billion seconds, one cycle, is 31.69 years (including leap years). That's gonna be some lock-in amplifier. One can only hope for Betelgeus going supernova on 21 December 2012 for a nice quadrupole emission - detected by Kip Thorne. 2) "would be capable of observing supermassive black hole binaries following galactic mergers" Then... they list the improbable stuff. 3) Two dozen authors and nobody knew how to write an abstract. -- Uncle Al http://www.mazepath.com/uncleal/ (Toxic URL! Unsafe for children and most mammals) http://www.mazepath.com/uncleal/qz4.htm
From: Raymond Yohros on 8 Jan 2010 23:24 On Jan 7, 11:26 am, Uncle Al <Uncle...(a)hate.spam.net> wrote: > 1) A billion seconds, one cycle, is 31.69 years (including leap > years). That's gonna be some lock-in amplifier. One can only hope for > Betelgeus going supernova on 21 December 2012 for a nice quadrupole > emission - detected by Kip Thorne. > kip its a good teacher. i've learn a few cool things from him. i know he have made bets with half d scientific comunity.) theres alot of talent working with him. r.y
From: Sam Wormley on 9 Jan 2010 00:33 On 1/7/10 11:04 PM, Tom Potter wrote: > > > Fifty years ago, > I help instrument a similar program to determine > gravity waves. > Sounds like a Dolt! > > A mind is a terrible thing to waste. > Too bad you wasted yours, Potter!
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