“…A 14.2 megapixel camera with full 1080p video capabilities, the Nikon D3100 camera is both powerful and yet, accessible to first-time dSLR users. …”

“…<P>Learn how to create beautiful artwork on your iPad or iPhone. …”

“…Other topics include: electrical contacts, p-n junctions, transistors, ballistic transport, field emission, oscillators, rotational actuators, electron-phonon scattering, photoconductivity, and light emission. …”