Description: $2 for pcb Prototype, for more information visit: Download the codes here Arduino simple shield potentiometer ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting pattern I wanted and the shape I decide. That's why I started to build this ...

On July 17, 1945, Manhattan Project scientist Leo Szilard writes a petition to U.S. President Harry S. Truman—signed by 70 Manhattan Project scientists—asking him to refrain from using atomic weapons ...

Background Sedentary time is increasing in all societies and results in limited non-exercise physical activity (NEPA) of daily life. The importance of low NEPA for cardiovascular health and longevity ...

Renewable energy use in the U.S. has doubled in the past decade, with state-level contributions varying. Some states produce over half their electricity from renewables, targeting 100% clean energy ...