What was invented in l959?

Radioimmunoassay was invented in 1959 and is a method for chemically analyzing human blood.

Integrated circuits or chips were invented in 1959 by two people working independently of each other.They make it possible for computers and electronic devices to be very small and inexpensive.

Pantyhose was invented in 1959.It soon replaced nylon stockings because mini skirts in the 1960s were to short to hide a garter(what used to hold up the nylon stockings)