ລິ້ງ ສຳຫລັບເຂົ້າຫາ

logo-print

New Cell Technology Works With Ambient Energy


Researchers in the United States have unveiled a prototype of a battery-free mobile phone using technology they hope will eventually be integrated into mass-market products. VOA's George Putic has details in this report by Kevin Enochs.

ຂ່າວປະເພດຕ່າງໆ

XS
SM
MD
LG