MJLorton Solar Power and Electronic Measurement Equipment Forum

General Category => General Discussion => Topic started by: Mr Eastwood on October 03, 2014, 06:27:46 AM

Title: Kelvin water dropper
Post by: Mr Eastwood on October 03, 2014, 06:27:46 AM

Hi,  if you haven't seen this before it's pretty cool.

A brief wiki explanation
http://en.wikipedia.org/wiki/Kelvin_water_dropper

Prof. Walter Lewin giving a demonstration.
http://ocw.mit.edu/high-school/physics/demonstrations-on-video/conductors-capacitors-dielectrics/demonstration-kelvin-water-dropper-revisited/

Title: Re: Kelvin water dropper
Post by: TechJunkie on October 03, 2014, 04:24:07 PM

Thanks for the post, interesting read... I have heard of this before but never knew much about it.

Title: Re: Kelvin water dropper
Post by: SeanB on October 04, 2014, 12:44:55 AM

I remember IIRC Rimstar did a nice recent video on this as well, with stuff you can build at home with household stuff like cans, plastic bottles and a little work involving scissors and some aluminium foil.