On Sat, Feb 12, 2011 at 6:30 AM, Randall Peters wrote:

> David &Brent,
>
 (clip)

>
> Incidently, John Berger has recently built a gravitational pendulum
> that uses optical (laser sensing).  I hope that his interest will motivate
> others  to look at this mostly untapped area.
> __________________________________________________________
>
>
~ Presume ~ this is ~ essentially a quick net access block drawing of Jon
Berger's pendulum
that you reference too ?

http://gravity.ucsd.edu/research/optical_seismometer/seis_1/pic1.jpg

Meredith Lamb


On Sat, Feb 12, 2011 at 6:30 AM, Randall=
 Peters <PETERS_RD@..........> wrote:


David &Brent,
=A0(clip)
=A0=A0 =A0 =A0 =A0

Incidently, John Berger has recently built a gravitational pendulum

that uses optical (laser sensing). =A0I hope that his interest will motivat=
e

others =A0to look at this mostly untapped area.

__________________________________________________________


~ Presume ~ this is ~ essentially a quick net acces=
s block drawing of Jon Berger's pendulum
that you reference t=
oo ?


http://gravity.ucsd.edu/research/optical_seismomete=
r/seis_1/pic1.jpg

Meredith Lamb




=A0