tech

a series of space flights with a goal of landing a man on the moon

in the US, most household current is __, also the output of a generator

a unit of electric current, 1 unit corresponds to a certain number of electrons passing a fixed point each second

a type of radio signal in which the AMPLITUDE, or strength, of a radio wave is varied in order to carry information from a transmitter to a receiver

an early communications network developed by the DoD between high-tech research institutions and the military that became the Internet

American inventor and scientist who dedicated much of his career to education of the deaf and to production of electronic devices to help them hear better (other than his other super famous invention)

a device used in electrical circuits that stores an electrical charge for short periods of time as an electrostatic field, and then returns it to the circuit, widely used in circuits to block DC while allowing AC to pass

a device used in electrical circuits that reduces current flow and lowers voltage levels within circuits, unit of measurement is the ___

premier location for particle physics research in Geneva, location of the world’s largest particle accelerator

a crew member of a space mission launched by the former Soviet Union

military missile equipped with an onboard computer that lets it guide itself on a preprogrammed course over terrain

colorless insecticide that kills on contact, used to protect crops, but is now banned due to affects on the ecosystem, especially birds

the electric current supplied by batteries

American inventor of the phonograph, “Genius is 1% inspiration and 99% perspiration”

a type of radio signal in which the FREQUENCY of the radio wave is varied to carry information from the transmitter to the receiver

device that converts chemical energy from a fuel into electricity through a chemical reaction, hydrogen is the most common fuel, different from batteries in that it needs a continuous source of fuel and oxygen (batteries already have chemicals present)

18/19th American inventor who launched the first successful steamboat in 1807 on the Hudson River in NY, that led to an 1824 Supreme Court ruling on interstate commerce (Gibbons v. Ogden) which broke his monopoly, also built a steam-powered submarine

name of Robert Fulton’s first steamboat in 1807

placement of a thin coat of a metal (e.g. zinc) over iron or steel to protect them from rust, typically appears shiny

a device that produces electric current, usually by rotating a conductor in a magnetic field, thereby creating current through electromagnetic induction

measure of the apparent resistance posed by an electrical circuit to an alternating current (AC), usually encountered in dealing with antennas and speakers

a program of rocket-powered flights with the goal of putting a man in orbit around the Earth, each flight carried one astronaut, first suborbital flight was made by Alan Shepard, first orbital flight by John Glenn

a computer system designed to mimic the human brain or other biological system, good at pattern recognition

a material that conducts electricity, but very poorly, silicon is the most common, transistor is made of this material