“The purest and most thoughtful minds are those which love color the most” – John Ruskin, The Stones of Venice. Colors… Would it be red or green today? Maybe blue — Blue is a deeply sneaky color, my ...

Can you buy a working radar module for $12? As it turns out, you can. But can you make it output useful information? According to [Mathieu], the answer is also yes, but only if you ignore the ...

South African researchers have developed a new cleaning system for solar panels that uses a color-sensing light-to-frequency converter to detect dirt. It can reportedly remove around 95% of the dust ...