Related by context. Frequent words. (Click for all words.) 63 non ionizing 62 microwave radiation 59 emitted 59 electromagnetic radiation 57 electro magnetic radiation 57 emitting 57 ultrasonic waves 56 fluorocarbons 56 Emitting 56 beeping noise 56 electromagnetic waves 55 ionizing 55 Millimeter wave 54 emit 54 Ultraviolet light 54 soundwaves 54 ultraviolet UV light 54 emits 53 plasmon 53 Radiofrequency 53 submillimeter 53 radiations 53 diffracted 52 Gamma rays 52 particles emitted 52 microwatts 52 Volatile organic compounds 52 Ultraviolet radiation 52 Particulates 51 Tiny particles 51 radiation emitted 51 florescent light 51 ionised 51 EMFs 51 microwaves 50 Fluorescent lights 50 Nitrogen oxides 50 Diesel exhaust 50 cardiac pacemakers 50 galactic cosmic rays 50 fluorescent light 50 photocells 50 infrared rays 50 Raman scattering 50 aerosol particles 50 Asbestos fibers 50 Hydrogen sulfide 49 radioactive tracer 49 ganglion cells 49 biomass combustion 49 electrochemically 49 Particulate 49 ultra violet radiation 49 infrared radiation 49 nanosensor 49 Zinc oxide 49 infrared beam 49 chemiluminescence 49 trigger allergic reactions 49 electromagnetic pulses 49 electromagnetic 49 photocatalyst 49 halogenated 48 absorbance 48 photometer 48 terahertz radiation 48 stimulated emission 48 HFC #a 48 SWCNT 48 unburned hydrocarbons 48 radiowaves 48 ionisation 48 sulfur dioxides 48 methane CH4 48 colorless odorless tasteless 48 alpha particles 48 gaseous emissions 48 vibrational 48 ceramic substrates 48 capacitive sensors 48 surface plasmons 48 infrared wavelength 48 cellphone chargers 48 enthalpy 48 ambient noises 48 Incandescent bulbs 48 millivolts 48 water vapor 48 halide 48 monoxide 48 electromagnetic induction 48 nitric 47 airborne droplets 47 odorless tasteless 47 incomplete combustion 47 Cosmic rays 47 electromagnetic interference EMI 47 harmful toxins 47 particulate 47 shorter wavelengths 47 endotoxins