Build Your Own Cell Phone

Lisa Grossman had never felt so "giddy with excitement" to hear her phone ring. The ring, as she recently described it in New Scientist magazine, where she works as a reporter, sounded like "a tinny version of the Christmas carol 'Angels We Have Heard on High.'"

But no matter. The ring came from a cellphone she'd built herself, by hand, in an afternoon.


"I felt like a wizard," Grossman told "I spent most of that day soldering," fusing minuscule components, about 60 of them, to a circuit board with molten metal filler. "I had never soldered anything before, and only had a vague idea of how it worked."

That made her the