He wrote that Miz Mead made her observations from just a few talks with two friendly young women.
VOA: special.2010.01.17
Progress in two thousand two showed that plastic made from feathers could be formed like other plastics.
VOA: special.2010.06.01
"And so he then went back and worked on technology adaptation and designed very low-cost, small affordable solar panels with fitted bulbs, maybe one or two bulbs per household, made sure that the bulbs could be moved from room to room, depending where people wanted the light,".
VOA: standard.2009.12.18
应用推荐