Its applications range from contact lenses and medical devices to elastomers; it is also present in shampoos (as dimethicone makes hair shiny and slippery), food (antifoaming agent), caulking, lubricants, kinetic sand, and heat-resistant tiles.
An acronym for L ong T erm E volution, LTE is a 4G wireless communications standard developed by the 3rd Generation Partnership Project (3GPP) that's designed to provide up to 10x the speeds of 3G networks for mobile devices such as smartphones, tablets, netbooks, notebooks and wireless hotspots.
National operators. There are four major operators in the United States that offer nationwide wireless services. Two of these (AT&T and T-Mobile) provide service using the GSM standard, while the other two (Verizon and Sprint) primarily use CDMA. All four also operate networks using LTE standard for their 4G services.