James Clerck Maxwell membuat serangkaian percobaan dengan menggunakan proyektor cahaya dan penapis (filter) berwarna. three buah proyektor yang telah diberi penapis (filter) warna yang berbeda disorotkan ke layar putih di ruang gelap. Penumpukan dua atau tiga cahaya berwarna ternyata menghasilkan warna cahaya yang lain (tidak dikenal) dalam pencamp

Cat scratching is often a organic actions for cats and serves numerous vital reasons. First of all, scratching allows cats to maintain their claws by eradicating the outer sheath, retaining them sharp and balanced. Furthermore, scratching lets cats to mark their territory, as the scent glands within their paws depart a scent over the surface they s

Cat Genteng, also called roof paint, is used for hundreds of years to shield and beautify roofs. The historical past of Cat Genteng is usually traced back to historical civilizations including the Egyptians as well as the Greeks, who made use of different products to coat their roofs for protection in opposition to The weather. In Newer history, Ca

Kayu Transparan Profesional is a professional-quality clear wood ending item that may be meant to enrich the normal attractiveness of wood when delivering safety against The weather. This large-quality ending item is perfect for use on an array of Wooden surfaces, like furnishings, decks, fences, plus more. Kayu Transparan Profesional is formulated

Cat allergic reactions are a common problem for many people, and they may be because of a variety of components. The most typical cause of cat allergy symptoms is often a protein found in the cat's saliva, urine, and dander. When anyone that has a cat allergy comes into connection with these proteins, their immune technique reacts by releasing hist