This week Jake Adams does a great interview with Tullio del Aquilla, a real leader in the LED lighting industry. This is a great interview for anyone interested in Lighting technologies and LEDs. Here is a list of items discussed in this interview - Introductions - how LEDs got started in the hobby - Where LED moonlights came from - Hi flux and low flux LED - LED environmental requirements - Details of LEDs wavelength output - LEDs ability to target the wavelengths needed by coral - Directivity of LEDs and how that affects there use - Luminous Efficiency of LED, and comparison to other lighting types - How LEDs work - Columniation (Focusing) vs reflected light - why aren't LED lights everywhere, what's the hold up - LEDs do not emit UV, how will that affect coral - Thoughts on Commercial LED fixtures