How cell phones work

Explains sound waves, radio waves, and other key science ideas behind the technology of cell phones.

Child's World
2012
9781609732158
book

Holdings

hidmidmiidnidwidlocation_codelocationbarcodecallnumdeweycreatedupdated
215295257112082465237792346119HIWA258HIWA602554384.5 HI384.515825759371742569409
294700764213352404237792346119NEI344NWK0043596384.5 HIG384.516377825731736800991