the gravity powered LED lamp

Feb. 22, 2008
Here's an interesting idea: The slow fall of a mass spins a rotor that powers 10 high-output LEDs. A Virginia Tech student made a lamp using this concept which you can read about here: http://www.newswise.com/articles/view/537851/?sc=swtr It ...

Here's an interesting idea: The slow fall of a mass spins a rotor that powers 10 high-output LEDs. A Virginia Tech student made a lamp using this concept which you can read about here:

http://www.newswise.com/articles/view/537851/?sc=swtr

It is about four feet high and apparently operates more of less the same as an hourglass. But they don't say how often you have to tip the thing over.

Sponsored Recommendations

NEW Low Profile, Ultra Compact Power Supplies

March 13, 2024
Learn more HERE about Altech's Power supplies!

Altech's Liquid Tight Strain Relifs Catalog

March 13, 2024
With experienced Product Engineers and Customer Service personnel, Altech provides solutions to your most pressing application challenges. All with one thought in mind - to ensure...

Industrial Straight-Through Cable Gland

March 13, 2024
Learn more about Altech's cable glands and all they have to offer for your needs!

All-In-One DC-UPS Power Solutions

March 13, 2024
Introducing the All-In-One DC-UPS, a versatile solution combining multiple functionalities in a single device. Serving as a power supply, battery charger, battery care module,...

Voice your opinion!

To join the conversation, and become an exclusive member of Machine Design, create an account today!