quantum – n. physics : the smallest amount of many forms of energy (such as light)
sun-synchronous physics : an orbit in which the satellite's orbital plane is at a fixed orientation to the sun
hack-proof – adj. secure from hackers; impossible to hack into.
photon – n. physics : a tiny particle of light or electromagnetic radiation
wiretap – v. to place a device on (someone's phone) in order to secretly listen to telephone calls
intercept – v. to stop and take someone or something that is going from one place to another place before that person or thing gets there
hack – v. to gain access to a computer illegally
crack – v. to puzzle out and expose, solve, or reveal the mystery of something