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Here's the Easiest Way to Check if Your TV Remote's Batteries Are Dead

While infrared light isn’t visible to our eyes, most cameras can see IR light just fine. This means that you can easily point ...
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LEDs Explained: How Light Emitting Diodes Work

This video explains how LEDs (Light Emitting Diodes) function and why they are widely used in modern lighting and electronic displays. LEDs convert electrical energy into light through the movement of ...