Timeline for Negative number on weighing scale if I move my hand above it?
Current License: CC BY-SA 3.0
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Aug 5, 2016 at 2:42 | comment | added | Christian Pao. | I let my hand at rest above the scale(without touching it) to be sure that no attraction was present. The -1 gram occurs only if I swing my hand fast as I described above. | |
| Aug 4, 2016 at 5:21 | comment | added | Keith McClary | The scale tray (commonly plastic) could have static charge. The grounded hand would cause a force on the tray. | |
| Aug 4, 2016 at 2:07 | comment | added | Christian Pao. | I tried the experiment in different rooms with the same results, so I tend to exclude possible environmental factors. | |
| Aug 4, 2016 at 1:51 | review | First posts | |||
| Aug 4, 2016 at 2:22 | |||||
| Aug 4, 2016 at 1:47 | comment | added | Floris | Nice careful analysis of possible experimental effects. | |
| Aug 4, 2016 at 1:46 | history | answered | Li Zhi | CC BY-SA 3.0 |