opacity:
transistor Thursdays
opacity:
furrraday cage
opacity:
small experiment
opacity:
fun with LEDs
opacity:
with shiny bit
opacity:
between here and here
opacity:
smiley-face conducting
opacity:
cooperation
opacity:
teaching
opacity:
reading the handout
opacity:
more LEDs
opacity:
concentrating, underlit
opacity:
another LED lit
opacity:
a smile for the camera
opacity:
examining resistors
opacity:
looking up
opacity:
shielded green light
opacity:
LED in hand
opacity:
grin
opacity:
lit up
opacity:
demonstration