GRAVITY

discussion: g89 10/8 16-19

effect on light: g89 10/8 17-18

gravity waves: g89 10/8 18-19

strength relative to electromagnetic force: ct 18

theories:

Einstein, Albert: g89 10/8 17

Newton, Sir Isaac: g90 8/8 15; g89 10/8 16-17

unsettled: w01 4/15 5

tower for gravity-free research (Germany): g91 2/22 28-29