From classrooms to backyards, makers are building Arduino-powered solar trackers to squeeze every drop of energy from the sun. These devices use sensors, motors, and clever designs to keep panels ...

Proper waste sorting is very important for keeping our neighbourhoods clean and saving resources for the future. When we mix ...

The latest satellite, which is partially funded by the National Geographic Society and carried out of Earth’s orbit by a ...

There’s something about the ESP32 family of microcontrollers and timekeeping. We probably see it in clocks as often as we do ...

When life gives you lemons, you make lemonade. What if life gives you a pile of old e-book readers? Well, when [spiritplumber] got box of old Nook Simple Touch devices, he decided to design ...

An open-source E-Ink smartwatch called LightInk aims for extreme battery life, with up to 40 days per charge and ...

Silicon Ranch, owner and operator of one of the nation’s largest fleets of solar facilities and a community-focused energy ...

However, the practical use of QDs as solar cells necessitates a technology that reduces the distance between QDs through ligand exchange, a process that binds a large molecule, such as a ligand ...

A maker has developed the Meridian Orrery, a 3D‑printed, ESP32‑powered solar system model that automatically positions planets and even includes a moon orbiting Earth. The device calculates celestial ...