In fact, Henry Round at Marconi Labs noted the emission of light from a semiconductor diode 100 years ago and, independently, a forgotten Russian genius — Oleg Losev — discovered the LED.
From Alum Bay there is a short, 15 minute walk uphill and on a tarmacked road to the Battery. Alternative parking is also available at Highdown car park (45 minute walk). Further information about ...
You control the zoom with a forefinger-operated lever that surrounds the ... t look blurry as it fidgets on the branch. Six small LED lights are built into a ring around the lens to help ...