Mute
neci nadin Andini
Lampu orange itu bernama lampu sodium; warna orangenya dihasilkan dari atom natrium dan proses emisi cahaya yang ada di dalam tabung lampu tersebut. Lampu sodium mulai digantikan oleh lampu LED karna menggunakan energi yang lebih efisien, eventually menghasilkan biaya yang lebih murah. Meski Lampu LED menghasilkan cahaya putih dengan lumens yang lebih terang, ia menyumbang polusi cahaya yang lebih besar, dan tidak menutup kemungkinan mengurangi visibilitas kita untuk melihat bintang di langit ?...
Ikuti
0
0
1
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