More about light (490)

3-01-2013 | Using only permanent magnets and a light source Japanese scientists have succeeded in controlling the motion of a magnetically levitating gr...

1-01-2013 | This Ring Light is an illumination source used with webcams, microscopes and photo cameras. It is mounted around the lens to provide an even...

23-12-2012 | this small module allows switching of up to 5 LEDs for lighting a model house. Several modules can be connected in parallel and are individu...

1-12-2012 | While in the past we usually had to make do with a string of tiny, fragile light bulbs, which would flash at the most, now we can choose fro...

1-12-2012 | It was once the most celebrated portable tape recorder in the world – and yet few Elektor readers will have heard of it. The Nagra was a pro...

1-09-2012 | Austriamicrosystems’ new lightning sensor IC measuring just 4x4 mm landed on my desk like a stroke of lightning, thanks to a suggestion from...

1-09-2012 | This design should gladden the heart of any model aircraft enthusiasts: it is a circuit to control the navigation lights, landing light, ant...

29-08-2012 | A century after the discovery of superconductivity mankind is still struggling to harness its tantalizing possibilities. Superconductors all...

1-07-2012 | Fitting a bike with a rear light that stays on even when stationary is both useful and interesting — especially when it uses a circuit as si...

1-07-2012 | Converting a traditonal bulb light on a bicycle to one that pumps 350 mA through a Cree XP-E LEE to produce 114 lumen.