An online HTML5 Fourier synthesizer app is provided that allows students to manipulate sixteen harmonics and construct periodic waves. Students can set the amplitudes and phases for each harmonic, seeing the resulting waveforms and hearing the sounds. Five waveform presets are included: sine, triangle, square, ramp (sawtooth), and pulse train. The…

Mobile learning is an incredible way to engage students in activities that encourage exploration and critical thinking. This type of learning is defined by the use of portable technology, such as laptops, tablets, and smart phones, to support learning in various environments and in various ways. Depending on the technologies and resources already…

The proliferation of online courses underscores the need to re-examine the foundations upon which courses are grounded. In particular, an emerging perspective in science education requires designers to account for scientific inquiry in student-centered science learning environments. With a focus on open-ended learning environments and grounded…