[Phys-L] An alternate G method to the Michell torsion pendulum

[Bernard Cleyet <bernardcleyet@redshift.com>]

Just roll a lead ball under it?  


http://physicsworld.com/cws/article/news/2016/mar/30/new-gravimeter-on-a-chip-is-tiny-yet-extremely-sensitive <http://physicsworld.com/cws/article/news/2016/mar/30/new-gravimeter-on-a-chip-is-tiny-yet-extremely-sensitive>  


bc  thinks not v. instructive tho, as lacks the computational and techniques exercise of the Michell balance.