Associate gestures with simple words and two-word phrases, like "hi" and "bye-bye" Use vocal and non-vocal communication to express interest and influence others Children are getting ready to talk.

Students examine and interpret communication ... cash flow analysis, depreciation and taxes, cost of capital, capital budgeting. Basic knowledge required to improve processes in the workplace.

In the video after the break, [Eduardo] demonstrates his extremely simple setup for using ultrasonic transducers for one-way data communication. Powered by a pair of Arduinos and using transducers ...