WASHINGTON – The phone is the work of a group of researchers at the University of Washington in Seattle and works by garnering a small amount of power from radio signals, known as radio frequencies or ‘RF’ waves.
The findings may not be commensurate with the telephone technology findings by Alexander Graham Bell, but the two researchers at the University of Washington, Shyam Gollakota, and Vamsi Talla said their breakthrough was remarkable.
“This battery-free phone is a big leap in the ability of a battery-free device because now there’s a streaming device that can keep talking while receiving data, which is basically a phone,” Gollakota said.
Does not the phone need a lot of electric power to operate without the battery?
“Normal phones need hundreds of milliwatts of power when they make calls, so it’s impossible to make such a device completely free of battery, which we do, as … Read More
family communication is needed in a family. A family is a group of people consisting of father, mother, child, and child. Or family is the smallest unit in a community that lives together from some people who have the same origin who reside together. The family can also be interpreted as the first social group in human life in which he learns and manifests himself as a social man, in interaction with his group.
Function of Family Communication
In a real family, communication is something to be nurtured, so that family members feel deep bonds and need each other. The family is the most important primary group in society, formed from the relationships of men and women, this relationship that lasts a long time to create and raise children. The family in pure form is a social unity consisting of father, mother, and children .
Understanding family communication according to … Read More