NINA WU / NWU@STARADVERTISER.COM Rainbow Drive-In’s solar array of 184 photovoltaic panels could cut electricity costs by 60 percent. "I think, eventually, solar is the cleanest way to go," he said.

When we think of invisibility cloaks, probably the first things that come to mind are Harry Potter-like contraptions that allow people or large objects to instantly disappear. Scientists from the ...