abstract
arc
artificial
ball
blue
bubble
captivate
charging
coil
discharge
electricity
electrode
emanation
energy
experience
experiment
flames
frequency
futuristic
gas
glass
gleam
glow
hand
indoors
invention
ionization
lamp
light
lightning
museum
nature
neon
orb
phosphoresce
physics
plasma
plasmatron
power
ray
science
shine
souvenir
sphere
square
static
study
technology
toy
voltage