Search Essays

…cleanse themselves as rapidly as rivers or oceans. Materials that decay over a short period of time are called, biodegradable materials. Biodegradable materials are less of a long-term threat to the enviroment than materials like metals, plastics, and some…

…to succeed in the development of the Smart card. Smart Card is a new wallet-sized plastic card, manufactured to ISO standards, with embedded microchip. This new card is able to process data, such as user identification codes, at a transaction site. The smart…

…. They are all named for the number of carbons in each monomer. The two ingredients used to made nylon 6,6 each have six carbons, and that is why the polymer is called nylon 6,6. Many synthetic plastics of high weight such as nylon are manufactured as fibers. Nylon’s…

…with required info to spin under the head. Data transfer rate - tim taken for data to get from the disk to the main memory. 8) 8 inch floppy disks, 5 inch floppy disks, 3.5 inch floppy disks - all three have a plastic outer casing with a thin mylar disk coated…

…was correct in thinking that. The proof we have is because of the discovery of tectonic plates. They are giant plates that "carry" the continents. They move because they are on the asthenosphere, a plastic-like layer of the mantle. They move because…

…methods. Further, GMF crops can be manipulated to produce completely artificial substances, from the precursors to plastics to consumable vaccines. GMF's can cause human health, environmental, and economic problems, including unanticipated allergic responses…

…the CD's clear plastic layer, picks up information from the data layer, and then bounces off the reflective coating on the back side of the data layer. The reflected laser beam then travels through the clear plastic layer, out of the CD, and into the CD player's…

…, insecticides, plastics, and hydrochloric acid. As well as disinfectant used to kill bacteria in the preparation of drinking water, and also in the manufacture of paints, aerosol propellants, and plastics. These examples may make chlorine seem very useful…

…and the wearers skin. Therefore other types of masks are used with very fine dusts, these have clear plastic visor. Air is pumped in from a filtered source either a backpack or an external pump, which may feed several users, these masks are more expensive…

…be bent! A floppy is a round, flat piece of Mylar coated with ferric oxide, a rustlike substance containing tiny particles capable of holding a magnetic field, and encased in a protective plastic cover, the disk jacket. Data is stored on a floppy disk…