Ever Wondered! If Internet Connection Is Wireless, Why It Show 'No Signal' In Basements Or Lifts?

Mobile data works through cell towers that transmit radio signals through the air. The stronger and clearer the signal, the ...
Northcountrypublicradio.org

How DOES your cellphone work? A new exhibition dials into the science

Turns out wireless networks aren't wireless at all. And light pulses in fiber optic cables carry your voice around the world. A new exhibition... How DOES your cellphone work? A new exhibition dials ...