T\u01b0\u0300 nho\u0309 chu\u0301ng ta \u0111a\u0303 du\u0300ng bu\u0301t da\u0323 ma\u0300u \u0111\u00ea\u0309 ve\u0303 tranh. Nh\u01b0\u0303ng chi\u00ea\u0301c bu\u0301t da\u0323 v\u01a1\u0301i \u0111u\u0309 loa\u0323i ma\u0300u s\u0103\u0301c kha\u0301c nhau tuy k\u00ea\u0301t c\u00e2\u0301u \u0111\u01a1n gia\u0309n nh\u01b0ng la\u0323i r\u00e2\u0301t ti\u00ea\u0323n s\u01b0\u0309 du\u0323ng; ra ma\u0300u r\u00e2\u0301t \u0111\u00ea\u0300u. Ta\u0323i sao?<\/p>\n\n\n\n
Quan sa\u0301t ki\u0303 ta se\u0303 th\u00e2\u0301y, c\u00e2\u0301u ta\u0323o cu\u0309a bu\u0301t da\u0323 ma\u0300u kha\u0301c xa v\u01a1\u0301i c\u00e2\u0301u ta\u0323o cu\u0309a bu\u0301t m\u01b0\u0323c. Bu\u0301t da\u0323 kh\u00f4ng co\u0301 ru\u00f4\u0323t ch\u01b0\u0301a m\u01b0\u0323c nh\u01b0 \u01a1\u0309 bu\u0301t m\u01b0\u0323c, cu\u0303ng kh\u00f4ng co\u0301 \u00f4\u0301ng d\u00e2\u0303n m\u01b0\u0323c l\u00ean ngo\u0300i bu\u0301t. V\u00e2\u0323y m\u01b0\u0323c \u0111\u01b0\u01a1\u0323c chuy\u00ea\u0309n l\u00ean ngo\u0300i bu\u0301t b\u0103\u0300ng ca\u0301ch na\u0300o?<\/p>\n\n\n\n
Ba\u0323n co\u0301 th\u00ea\u0309 tha\u0301o m\u00f4\u0323t ca\u0301i bu\u0301t da\u0323 ma\u0300u ra \u0111\u00ea\u0309 quan sa\u0301t. Lo\u0300ng bu\u0301t cu\u0309a bu\u0301t da\u0323 ma\u0300u la\u0300 m\u00f4\u0323t \u00f4\u0301ng nh\u01b0\u0323a th\u00f4ng hai \u0111\u00e2\u0300u; b\u00ean trong nh\u00f4\u0300i l\u01a1\u0301p b\u00f4ng. Chu\u0301ng ta du\u0300ng tay bo\u0301p nhe\u0323 \u00f4\u0301ng nh\u01b0\u0323a \u0111o\u0301, ma\u0300u se\u0303 cha\u0309y ra t\u01b0\u0300 l\u01a1\u0301p b\u00f4ng trong \u00f4\u0301ng nh\u01b0\u0323a. Ngo\u0300i cu\u0309a bu\u0301t da\u0323 \u0111\u01b0\u01a1\u0323c ch\u00ea\u0301 ta\u0323o r\u00e2\u0301t \u0111\u01a1n gia\u0309n, no\u0301 la\u0300 m\u00f4\u0323t que xenlul\u00f4 nho\u0309; m\u00f4\u0323t \u0111\u00e2\u0300u l\u00f4\u0323 ra b\u00ean ngoa\u0300i du\u0300ng \u0111\u00ea\u0309 vi\u00ea\u0301t ve\u0303, \u0111\u00e2\u0300u kia c\u0103\u0301m va\u0300o l\u01a1\u0301p b\u00f4ng trong lo\u0300ng bu\u0301t.<\/p>\n\n\n\n
Ca\u0301c ba\u0323n co\u0301 th\u00ea\u0309 la\u0300m m\u00f4\u0323t thi\u0301 nghi\u00ea\u0323m nho\u0309 nh\u01b0 sau: l\u00e2\u0301y m\u00f4\u0323t c\u00f4\u0301c b\u00ean trong co\u0301 \u0111\u01b0\u0323ng m\u00f4\u0323t i\u0301t n\u01b0\u01a1\u0301c, c\u00e2\u0300m m\u00f4\u0323t s\u01a1\u0323i va\u0309i, nhu\u0301ng m\u00f4\u0323t \u0111\u00e2\u0300u s\u01a1\u0323i va\u0309i va\u0300o trong n\u01b0\u01a1\u0301c xem xu\u00e2\u0301t hi\u00ea\u0323n hi\u00ea\u0323n t\u01b0\u01a1\u0323ng gi\u0300? Ngoa\u0323i tr\u01b0\u0300 ph\u00e2\u0300n s\u01a1\u0323i va\u0309i nhu\u0301ng trong n\u01b0\u01a1\u0301c bi\u0323 \u01b0\u01a1\u0301t ra; ph\u00e2\u0300n s\u01a1\u0323i va\u0309i g\u00e2\u0300n m\u0103\u0323t n\u01b0\u01a1\u0301c cu\u0303ng bi\u0323 \u01b0\u01a1\u0301t r\u00e2\u0301t nhanh va\u0300 ng\u00e2\u0301m d\u00e2\u0300n l\u00ean phi\u0301a tr\u00ean cu\u0309a s\u01a1\u0323i va\u0309i. Hi\u00ea\u0323n t\u01b0\u01a1\u0323ng na\u0300y go\u0323i la\u0300 hi\u00ea\u0323n t\u01b0\u01a1\u0323ng mao d\u00e2\u0303n. Do trong s\u01a1\u0323i va\u0309i co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u mao ma\u0323ch nho\u0309 m\u0103\u0301t th\u01b0\u01a1\u0300ng chu\u0301ng ta kh\u00f4ng nhi\u0300n th\u00e2\u0301y; chi\u0301nh nh\u01b0\u0303ng mao ma\u0323ch na\u0300y \u0111a\u0303 \u0111\u01b0a n\u01b0\u01a1\u0301c trong c\u00f4\u0301c th\u00e2\u0301m l\u00ean tr\u00ean s\u01a1\u0323i va\u0309i.<\/p>\n\n\n\n
Bu\u0301t da\u0323 cu\u0303ng \u0111\u01b0\u01a1\u0323c ch\u00ea\u0301 ta\u0323o tr\u00ean c\u01a1 s\u01a1\u0309 \u01b0\u0301ng du\u0323ng nguy\u00ean ly\u0301 cu\u0309a hi\u00ea\u0323n t\u01b0\u01a1\u0323ng mao d\u00e2\u0303n. \u00d4\u0301ng \u0111\u01b0\u0323ng b\u00f4ng trong lo\u0303i bu\u0301t da\u0323 la\u0300 n\u01a1i ch\u01b0\u0301a m\u01b0\u0323c, b\u00ean trong \u00f4\u0301ng b\u00f4ng co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u l\u00f4\u0303 tr\u00f4\u0301ng r\u00e2\u0301t nho\u0309, m\u01b0\u0323c ma\u0300u co\u0301 th\u00ea\u0309 ng\u00e2\u0301m l\u00ean ngo\u0300i bu\u0301t qua nh\u01b0\u0303ng l\u00f4\u0303 nho\u0309 \u0111o\u0301. Ngo\u0300i bu\u0301t t\u01b0\u01a1\u0309ng ch\u01b0\u0300ng r\u00e2\u0301t c\u01b0\u0301ng nh\u01b0ng th\u01b0\u0323c ra ngo\u0300i bu\u0301t \u0111\u01b0\u01a1\u0323c c\u00e2\u0301u ta\u0323o t\u01b0\u0300 nh\u01b0\u0303ng s\u01a1\u0323i xenlulo, n\u00ean chu\u0301ng t\u01b0\u01a1ng \u0111\u00f4\u0301i m\u00ea\u0300m va\u0300 co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u \u00f4\u0301ng mao d\u00e2\u0303n; nh\u01b0\u0303ng \u00f4\u0301ng mao d\u00e2\u0303n na\u0300y \u0111\u01b0\u01a1\u0323c c\u0103\u0301m n\u00f4\u0301i va\u0300o ru\u00f4\u0323t \u00f4\u0301ng b\u00f4ng, khi s\u01b0\u0309 du\u0323ng nh\u01a1\u0300 ta\u0301c du\u0323ng cu\u0309a hi\u00ea\u0323n t\u01b0\u01a1\u0323ng mao d\u00e2\u0303n m\u01b0\u0323c trong \u00f4\u0301ng b\u00f4ng, cha\u0309y th\u0103\u0309ng xu\u00f4\u0301ng ngo\u0300i bu\u0301t; la\u0300m cho ba\u0323n ca\u0309m th\u00e2\u0301y m\u01b0\u0323c ra r\u00e2\u0301t \u0111\u00ea\u0300u khi vi\u00ea\u0301t ho\u0103\u0323c ve\u0303 tranh.<\/p>\n\n\n\n
Trong cu\u00f4\u0323c s\u00f4\u0301ng cu\u0309a chu\u0301ng ta co\u0300n co\u0301 r\u00e2\u0301t nhi\u00ea\u0300u tr\u01b0\u01a1\u0300ng h\u01a1\u0323p \u01b0\u0301ng du\u0323ng hi\u00ea\u0323n t\u01b0\u01a1\u0323ng mao d\u00e2\u0303n. Vi\u0301 du\u0323 nh\u01b0 vi\u00ea\u0323c tr\u00f4\u0300ng hoa: m\u00f4\u0323t s\u00f4\u0301 loa\u0323i hoa r\u00e2\u0301t \u01b0a n\u01b0\u01a1\u0301c. Ha\u0300ng nga\u0300y ba\u0323n \u0111\u00ea\u0300u pha\u0309i t\u01b0\u01a1\u0301i n\u01b0\u01a1\u0301c cho chu\u0301ng, gi\u01b0\u0303 cho \u0111\u00e2\u0301t lu\u00f4n \u0111\u01b0\u01a1\u0323c \u00e2\u0309m \u01b0\u01a1\u0301t. Nh\u01b0ng n\u00ea\u0301u nh\u01b0 ba\u0323n pha\u0309i \u0111i du li\u0323ch m\u00f4\u0323t tu\u00e2\u0300n, v\u00e2\u0323y ba\u0323n pha\u0309i la\u0300m gi\u0300 v\u01a1\u0301i nh\u01b0\u0303ng ch\u00e2\u0323u hoa \u0111o\u0301? Ba\u0323n co\u0301 th\u00ea\u0309 l\u00e2\u0301y m\u00f4\u0323t ma\u0309nh va\u0309i b\u00f4ng hay va\u0309i l\u00f4ng; ch\u00f4n m\u00f4\u0323t \u0111\u00e2\u0300u xu\u00f4\u0301ng \u0111\u00e2\u0301t quanh g\u00f4\u0301c c\u00e2y hoa; m\u00f4\u0323t \u0111\u00e2\u0300u kha\u0301c nhu\u0301ng va\u0300o trong ch\u00e2\u0323u n\u01b0\u01a1\u0301c; chi\u0309 c\u00e2\u0300n n\u01b0\u01a1\u0301c trong ch\u00e2\u0323u kh\u00f4ng ca\u0323n, ba\u0309o \u0111a\u0309m c\u00e2y hoa cu\u0309a ba\u0323n se\u0303 kh\u00f4ng bi\u0323 ch\u00ea\u0301t kh\u00f4, vi\u0300 n\u01b0\u01a1\u0301c t\u01b0\u0300 ch\u00e2\u0323u co\u0301 th\u00ea\u0309 ng\u00e2\u0301m va\u0300o g\u00f4\u0301c c\u00e2y hoa nh\u01a1\u0300 hi\u00ea\u0323n t\u01b0\u01a1\u0323ng mao d\u00e2\u0303n cu\u0309a s\u01a1\u0323i va\u0309i. \u0110\u00ea\u0301n \u0111\u00e2y chu\u0301ng ta co\u0301 th\u00ea\u0309 hi\u00ea\u0309u ta\u0323i sao bu\u0301t da\u0323 co\u0301 th\u00ea\u0309 ra m\u01b0\u0323c \u0111\u00ea\u0300u.<\/p>\n","protected":false},"excerpt":{"rendered":"
T\u01b0\u0300 nho\u0309 chu\u0301ng ta \u0111a\u0303 du\u0300ng bu\u0301t da\u0323 ma\u0300u \u0111\u00ea\u0309 ve\u0303 tranh. Nh\u01b0\u0303ng chi\u00ea\u0301c bu\u0301t da\u0323 v\u01a1\u0301i \u0111u\u0309 loa\u0323i ma\u0300u s\u0103\u0301c kha\u0301c nhau tuy k\u00ea\u0301t c\u00e2\u0301u \u0111\u01a1n gia\u0309n nh\u01b0ng la\u0323i r\u00e2\u0301t ti\u00ea\u0323n s\u01b0\u0309 du\u0323ng; ra ma\u0300u r\u00e2\u0301t \u0111\u00ea\u0300u. Ta\u0323i sao? Quan sa\u0301t ki\u0303 ta se\u0303 th\u00e2\u0301y, c\u00e2\u0301u ta\u0323o cu\u0309a bu\u0301t da\u0323 ma\u0300u kha\u0301c xa v\u01a1\u0301i […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_disable_autopaging":false},"categories":[1,15],"tags":[],"class_list":["post-11529","post","type-post","status-publish","format-standard","hentry","category-general","category-hoi-dap-khoa-hoc"],"_links":{"self":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11529","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/comments?post=11529"}],"version-history":[{"count":0,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/posts\/11529\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/media?parent=11529"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/categories?post=11529"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.vietlearn.org\/kien-thuc\/wp-json\/wp\/v2\/tags?post=11529"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}