Summary | They carry radios, sensors and puters powered by
sunlight.He is chairman of the advisory mittee for the
Breakthrough Starshot Initiative.The Sprites are also very
cheap."Each of them is only tens of (U.S.) dollars in cost,"
Loeb said.| People's Daily Online | China.org.cn| CNTV |
China.| Global Times | Ecns.cn | China Youth International | ...
en.ce.cn | 31 July 2017