Australians were also responsible for more everyday inventions such as notepads (1902), aspirin (1915), the pacemaker (1926), penicillin (1940) the Hills Hoist clothesline (1946), the plastic disposable syringe (1949), the wine cask (1965), the bionic ear (1978), dual-flush toilet flush (1980), anti-counterfeiting technology for banknotes (1992) and long-wearing contact lenses (1999).