James Clerck Maxwell membuat serangkaian percobaan dengan menggunakan proyektor cahaya dan penapis (filter) berwarna. 3 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 pencampuran

Cat scratching is a pure behavior for cats and serves various essential uses. To start with, scratching helps cats to keep up their claws by removing the outer sheath, trying to keep them sharp and healthy. Moreover, scratching allows cats to mark their territory, because the scent glands inside their paws go away a scent on the surface area they s

Lem Adhesive is a versatile and impressive adhesive that's used in a wide array of purposes. It is a sort of glue that is certainly recognized for its potent bonding Attributes and ability to adhere to a range of products. Lem Adhesive is usually Employed in design, woodworking, and Do it yourself jobs, as well as inside the automotive and aerospac

Gypsum is a delicate sulfate mineral composed of calcium sulfate dihydrate, While using the chemical components CaSO4·2H2O. It can be broadly found in mother nature and has been employed by human beings for A huge number of many years. Gypsum is a standard mineral that is certainly found in sedimentary rock formations and is usually associated wit

PVC ceiling, also known as polyvinyl chloride ceiling, is usually a sort of ceiling product that is definitely constructed from a artificial plastic polymer. It is a popular option for both residential and business Areas due to its toughness, flexibility, and price-effectiveness. PVC ceiling panels can be found in a number of colours, textures, and