no batteries required User ID: 30332887 United Kingdom 12/19/2012 12:36 PM Report Abusive Post Report Copyright Violation | GravityLight - off the grid The GravityLight uses a sack of sand to gradually pull a piece of rope through a dynamo mechanism which generates electricity to power an LED light. [ link to www.dailymail.co.uk] [ link to www.indiegogo.com] |
* * * * * User ID: 658249 Netherlands 12/19/2012 12:42 PM Report Abusive Post Report Copyright Violation | Re: GravityLight - off the grid |
Anonymous Coward User ID: 24011285 United Kingdom 12/19/2012 12:53 PM Report Abusive Post Report Copyright Violation | Re: GravityLight - off the grid That is fantastic! Well done to them! |