the health threat posed by leaf blowers

California officials say the contamination from running a top-selling leaf blower just one hour matches the emissions from driving a 2016 Toyota Camry for 1,100 miles, the distance from Los Angeles to Denver. Source: Noisy, but that’s not all: the health threat posed...

NASA Outreach Arduino Lesson

Get started with the Arduino Integrated Development Environment and the Uno. File, Examples, Basics, Blink Learn the code: better_blink code Connect an external LED and resistor Learn about pseudo-analog, otherwise known as “Pulse Width Modulation” = PWM...