TODAY IS THE DAY!!
Check out this description from one of our youngest exhibitors! (6th grade) have built a proto-type of a unique device that measure precisely the mass (not weight!) of an astronaut in micro-gravity such as International Space Station. Without gravity, you know your weight scale really doesn’t work well. So here is my goal: to design, build, and test a proto-type using an ultrasonic distance sensor operated on Arduino microcontroller that is light and compact. The project provide not only physics learning opportunity for kids (my peers!) but also nice, little hands-on activity. People can try push-button to start the system and see the sensor system actually measure the mass (well, weight…on earth) of a rolling Bocci ball. It is also a great way to chat about Arduino projects and how to work with relay and solenoid with it.