xenon

noble gas

Unreactive periodic table element

• periodic tableSystematic display of elements
• colorlessDevoid of pigmentation
• odorlessHaving no smell

tasteless · isotopes · atomic weight · spectroscopy · diffusion · monatomic · atmospheric · nonmetal · stable · unreactive

headlights

Front vehicle lamps

• bulbsUnderground plant storage
• strobeRapidly pulsing light
• projectionSomething that extends outward

luminance · brightness · illumination · photonics · ballast · energy-efficient · automotive · searchlights · plasma display

ion thruster

Electric spacecraft propulsion system

• spacecraftVehicle for outer space
• satelliteOrbiting celestial body
• deep spaceRemote regions beyond planets

NASA · thrust · ionized · plasma · fuel-efficient · space exploration · maneuvering · attitude control

general anesthesia

Drug-induced unconsciousness for surgery

• inhalationalAdministered via breathing
• sedationDrug-induced calm state
• neuroprotectionSafeguarding neurons from damage

analgesia · surgery · operating room · emergence · hypnotic · nitrous oxide · unconsciousness · ventilation · recovery

medical imaging

Creating pictures inside bodies

• MRIMagnetic body imaging
• diagnosticTest to identify problems
• radiologyImaging-based diagnostic medicine

• atmosphereair, humidity, atmosphere, temperature, oxygen
• gasesgas, air, oxygen, helium, nitrogen
• periodic tableperiodic table, elements, hydrogen, helium, carbon
• elementsoxygen, hydrogen, carbon, helium, nitrogen
• chemistry termscarbon, nitrogen, oxygen, sulfur, phosphorus
• main group elementshydrogen, helium, lithium, beryllium, boron