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Bioluminiscenta melcului Hinea brasiliana e un fenomen
oarecum enigmatic: oamenii de stiinta nu intelegeau cum poate
melcul sa lumineze atat de intens, „cu tot
corpul”, cand organismul sau contine doar un mic numar de celule
luminiscente.
Pentru a elucida misterul, au indreptat un fascicul foarte
ingust de lumina spre deschiderea cochiliei si au constatat ca tot corpul
molustei se lumineaza.
Secretul sta, au descoperit ei, in structura cochiliei: aceasta
difuzeaza lumina, astfel incat, pornind de la o mica zona luminoasa
(creata de celulele luminiscente), intreaga cochilie pare ca emite
lumina.
Intelegerea mai precisa a modului in care structura peretilor
cochiliei amplifica efectul ar putea duce la gasirea unor solutii
tehnice inovatoare pentru dispozitivele de iluminat.
Sursa: Science NOW
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