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Herbert Maruska

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An RCA engineer who made a tiny gallium nitride blue LED in 1972, though it was dim and inefficient.

Videos Mentioning Herbert Maruska

Why It Was Almost Impossible to Make the Blue LED

Why It Was Almost Impossible to Make the Blue LED

Veritasium

An RCA engineer who made a tiny, dim, and inefficient gallium nitride blue LED in 1972.