紫外線從來都是可免則免,而購買薯仔則是多多益善。721Please respect copyright.PENANAZHrxTI6QoZ
721Please respect copyright.PENANAkLwdXjMI0n
721Please respect copyright.PENANARDiWCG4AAU
在大多數的情況下,陽光是我們接觸紫外線的最主要源頭。721Please respect copyright.PENANATPGQiBSNRH
721Please respect copyright.PENANAiQ9h36pwrL
太陽放出的紫外線根據波段可分為兩種,UVA和UVB。721Please respect copyright.PENANA0vwaLz2BD0
概要來說,UVA(320–400nm)會曬黑皮膚及引起皺紋,而UVB(280–320 nm)則會曬傷及曬紅皮膚。721Please respect copyright.PENANAPoLjbfOP5f
721Please respect copyright.PENANAKSAFuO1VbY
根據世衛所訂下的方式,UV指數的計法是將總紫外線的能量除以25。721Please respect copyright.PENANArernBCqrTP
指數高於6表示有高度曬傷風險,而高於11更會對人體構成危險。721Please respect copyright.PENANAl3XutLb5Xe
721Please respect copyright.PENANAHIWrBAcaVA
721Please respect copyright.PENANAzuUsMwSORl
721Please respect copyright.PENANAfJuwow79OW
(圖2)現今智能手錶、智能眼鏡等設備已逐漸普遍,有不少更設有光觸媒二氧化鈦(TiO2)等物料可以將紫外光量化成電流,然後再根據的電流強弱判斷出紫外線指數。721Please respect copyright.PENANAUyvAc8DuMt
721Please respect copyright.PENANAdoD5WdTQH8
(圖3)近日,有科學家研發出隨著紫外光強弱而變色的麻料(Ref1),基於毛線表面凹凸不平,因而增加紫外光在裡頭多重折射的機會,變相使在感測方面比普遍的平面光觸媒更為靈敏。721Please respect copyright.PENANAPuSm37Ab7N
721Please respect copyright.PENANAjhhYeiSFDW
721Please respect copyright.PENANAvVnboiSUYO
他們在文中展示出,改變原材料的做法,可達至不同效果,例如WIFI圖案展示出紫外線的強弱。721Please respect copyright.PENANALGHteO43CD
721Please respect copyright.PENANAUFjTjVDdnC
(圖4)他們更成功製作出隨紫外光強弱而變色的麻繩,據稱布料彈性十足穿著上非常舒適,而且製作方法可套用在任何製衣物料上。721Please respect copyright.PENANAHiJ4g6rRHX
721Please respect copyright.PENANA4x4NBq9gnx
721Please respect copyright.PENANA1nKPPUnplH
在文中,他們發揮了自己的小宇宙,縫出提子圖案,提子葉加上孔雀石綠感測pH,而提子則由紫外光織成麻繩用作感測UV之用。721Please respect copyright.PENANAIlPRHTlWE4
721Please respect copyright.PENANAdDQCjY43Ao
無疑,一場時裝界的科學大戰號角已徐徐奏起。721Please respect copyright.PENANArHWP9JavCf
721Please respect copyright.PENANA0x4UXGKF2b
721Please respect copyright.PENANAGCjMCuaxCL
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。721Please respect copyright.PENANAJTJWgELedk
721Please respect copyright.PENANAK260wfqXBp
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/toc721Please respect copyright.PENANAgTzpubS0Qu
721Please respect copyright.PENANAgrZ65LpuJ3
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。721Please respect copyright.PENANAVqhMPCLVqz
721Please respect copyright.PENANAoeW2fLvE48
Link:721Please respect copyright.PENANAIrvHD59dH3
https://www.penana.com/user/27349/%E8%96%AF%E4%BB%94%E8%81%9E%E8%8C%B1%E8%8E%89/portfolio721Please respect copyright.PENANAk1EFrv3Lki
721Please respect copyright.PENANAHfMWXAfXVp
721Please respect copyright.PENANAtlHneWylbR
有興趣接收科學資訊的話,歡迎follow IG: potatopigtongue。721Please respect copyright.PENANAFythdj86Io
721Please respect copyright.PENANAXC12aqsSoE
Ref1:https://onlinelibrary.wiley.com/doi/full/10.1002/admt.202000564721Please respect copyright.PENANAOTWED5mPI8
721Please respect copyright.PENANAVZAvwBmllK
明日會停一日更,想花時間在講故台寫文。721Please respect copyright.PENANA9UG0F0t8Tl
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科普專欄–薯不揀單
Author:
薯仔聞茱莉
ISSUE #53
深入淺出–量度紫外線的衣服
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