Mister Kao discovered how to transmit,or send,light signals over long distances through optical glass fibers.

VOA: special.2009.12.08

Authorities say the couple also used short wave radio to take orders from Havana and to transmit information.

VOA: standard.2009.06.06

How would I transmit it to anyone else? Through that love."

VOA: standard.2010.05.21