#steemitedutcation

When Luan and Jared went to school the next morning, they both felt happy it was a very nice weekend for them both.  image source Luan went into his class and his teacher asked him if the twins were

I always wanted to know, so i thought i would share An optical mouse works in a completely different way. It shines a bright light down onto your desk from an LED (light-emitting diode) mounted on the