要準確地移動固體並不是難事,但要精準控制液體流動的話就絕對不簡單了。1436Please respect copyright.PENANApFfhfJsS371436Please respect copyright.PENANANmVh530XbI
1436Please respect copyright.PENANAGlqnLNUf0o
(圖2)近日香港大學的科學家們研發出一種三層物料(Ref1),展示出精準控制液體流動的手段。1436Please respect copyright.PENANAfrRlLw5YnZ1436Please respect copyright.PENANAXDH17szNnw
1436Please respect copyright.PENANAbcmrHTQIjV
物料的外層為排斥液體層,只要液體的體積控制在一定的程度下,水、酒精及各式各樣的液體將會被鎖定為水珠狀,不會仙女散花灑在地上。1436Please respect copyright.PENANAVHxU9mGDFC
1436Please respect copyright.PENANAU17CVwgvVG
而物料的中心層則有著把熱力轉化成為電力的特質,底層則有光線轉化成熱力的特性。1436Please respect copyright.PENANAXvVZb1ryyW
1436Please respect copyright.PENANADIxXp5pOk0
當利用激光照射到物料後,底層的物料便會將光線轉化成為熱能,其熱力將會在中心層轉化為為電能,而中心層電能的電極則會吸引位於上層的液體水珠前來。1436Please respect copyright.PENANA4D1CqbslF5
1436Please respect copyright.PENANA6IAGlmpig8
(圖3)利用這個機制,他們可以任意操控液體的移動方向,使水珠反地心吸力行走,甚至是把兩顆水珠混合在一起。1436Please respect copyright.PENANAhYCMIBA5me1436Please respect copyright.PENANASAFUNEs2Ml
1436Please respect copyright.PENANAdiPFIMS0bW
(圖4)把水珠混合在一起後,他們亦有能力把水珠一分為二,甚至能精準切割水珠的大小。1436Please respect copyright.PENANAamSWFuekpk1436Please respect copyright.PENANAtxEUqQi2Wa
1436Please respect copyright.PENANAcR9iPR2QVF
1436Please respect copyright.PENANAnt55Fj2d8S
(圖5)如果利用水珠製成「汽車」輪胎的話,甚至可以利用激光引領「汽車」行走。1436Please respect copyright.PENANAzdboM38lAc1436Please respect copyright.PENANA9UjvBpQT58
1436Please respect copyright.PENANAHROP3odqgF
1436Please respect copyright.PENANAnscmwmiMbN
在越來講求精準的時代,這種控制液體的手法將會帶來無窮的可能性。舉例來說,科學家可以透過光線調控腐蝕性液體與物件接觸的時間、研究多種液體混合的化學作用等等。1436Please respect copyright.PENANAG2Lbo9lg80
1436Please respect copyright.PENANALUOvFYgHpW
1436Please respect copyright.PENANAZe6GC7UrWp
如果想我快啲出文的話,請入去Penana網站科普專欄–薯不揀單俾一個like以及Bookmark,這對我非常之重要。1436Please respect copyright.PENANA5jqzzAfKM8
1436Please respect copyright.PENANAkCGqmDAO3Q
Link: https://www.penana.com/story/66244/%E7%A7%91%E6%99%AE%E5%B0%88%E6%AC%84-%E8%96%AF%E4%B8%8D%E6%8F%80%E5%96%AE/toc1436Please respect copyright.PENANAU7OS8fvPqa
1436Please respect copyright.PENANAE4kg3DAEsj
同時亦可以在Penana網站裡按「買一嚿/半嚿薯仔」,以課金的方式推動我繼續搜羅資料寫文,多謝。1436Please respect copyright.PENANA4dN9oJC3R1
1436Please respect copyright.PENANAxTUQRgdOhZ
Link:1436Please respect copyright.PENANAkhvQT7sXiu
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio1436Please respect copyright.PENANATfF2hlqZuO
1436Please respect copyright.PENANA7GaRhLzCrL
1436Please respect copyright.PENANAMMDj2v54SL
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。1436Please respect copyright.PENANAfd2D9hZMrh
1436Please respect copyright.PENANAKY9HCThr7G
Ref1:https://advances.sciencemag.org/content/6/38/eabc1693
31
ns216.73.216.98da2