Koko Xu

Semiconductors are material in between conductors and insulators in terms of electric current conductivity.  The…

Satellites stay in orbit due to the balance between gravitational pull and centrifugal force. Satellite…

Newton’s Third Law: Every action has an equal and opposite reaction Rocket Engines require propellent…

Normal Computer: Transistors → Logic Gates → Modules → Computer Chips Transistors are electric switches…

Nuclear power relies on the fission of Uranium nuclei and a controlled chain reaction where…

Atoms are made up of three subatomic particles Positively charged protons in the nucleus Neutrally…

Arrangements of atoms determine some physical properties of those elements.  1 nanometer = 1 billionth…

Key Terms Input/Output Subsystem - allows the computer to interact with the environment Converts physical…

Neurons send signals across synapses to each other. If the voltage changes by a large…

Oxidation and Reduction A metal oxidizes and sends electrons out → a substance reduces and…