Nomad is updating one of my favorite and most clutch tech accessories they make. They are expanding their ChargeKey lineup with a new Stellar Orange color to perfectly match the Cosmic Orange iPhone ...

One of the problems with being a graffiti artist is that you have to carry around a different spray can for each color you intend to use. [Sandesh Manik] decided to solve this problem by building ...

Ammonia (NH 3)—the second-most-produced chemical globally—has proven to be highly important in furthering human civilization over the centuries, both in terms of technological capabilities and ...

Light aircraft often use a heading indicator as a way to know where they’re going. Retired instrumentation engineer [Don Welch] recreated a heading indicator of his own, using cheap ...

Abstract: This paper introduces an Arduino-based color-sorting conveyor belt system that automates object sorting by color. Employing a TCS3200 color sensor, an Arduino microcontroller detects red, ...

Abstract: The study conducted a psychophysical experiment to understand modern people’s perceptions of color harmony in clothing color combinations. The results indicate that modern people’s ...