What does drowning look like?

Having encountered four drownings, saved two, lost two, and having lost one of my best friends to drowning when I was not there, I strongly suggest you read this, particularly if you have children. Learn what to look for. Slate Article: Drowning doesn’t look...

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...