I'll post what I've learned. use this as my notebook. by markchiang (江奕賢)
你好奇小叮噹那圓圓的手怎麼拿東西嗎? 科學家已經做出類似的東西了 原理:用空氣壓力的變化來拿取物品 詳細資料及影片 http://www.sciencemag.org/news/2010/10/robot-hands-write-without-fingers