Episode 15 World Energy Bulb by Edison had built his first high resistance, incandescent electric light.

Episode 14 Airplane or aeroplane is a fixed-wing aircraft.

Episode 13 Television is a mass medium for advertising, entertainment, news, and sports.

Episode 12 Automated Teller Machine (ATM) is an electronic banking outlet that allows customers to complete basic transactions without the aid of a branch representative or teller. Anyone with a credit card or debit card can access cash at most ATMs.

Episode 11 DNA, short for deoxyribonucleic acid, is the molecule that contains the genetic code of organisms.

Episode 10 A watch is a portable timepiece intended to be carried or worn by a person. It is designed to keep a consistent movement despite the motions caused by the person's activities.

Episode 09 A computer is a programmable electronic device that accepts raw data as input and processes it with a set of instructions (a program) to produce the result as output.

Episode 08 The internet is the wider network that allows computer networks around the world run by companies.

Episode 07 Energy is the quantitative property that must be transferred to a body or physical system to perform work on the body, or to heat it.

Episode 06 A smartphone is a portable device that combines mobile telephone and computing functions into one unit.