Edison bulb Light Bulbs at Lowes.com
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The LED's Dark Secret - IEEE Spectrum
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Novelty Place 100 Pcs 5mm Purple UV LED Diode Lights - [Invisible UV Light] Clear Transparent DC 3.2V 20mA Emitting Diodes LEDs Bulb - DIY Science Project Electronics Components Lighting Kit - Walmart.com
How LEDs are Made - learn.sparkfun.com
Light-Emitting Diodes (LEDs) - learn.sparkfun.com
Light-Emitting Diodes (LEDs) - learn.sparkfun.com
LED: The Glittering One! | Electronics Is Fun
