We made an anechoic chamber.

2003.June-July

materials:wood bar	materials:wooden board	materials:iron plate	materials:wave absorber	materials:wave absorber
assembling wooden boards	assembling wooden boards	assembling wooden boards	assembled wooden boards	two lamps will be attached inside
compete bending!	making a top roof	iron plates on the top roof	completed top roof	iron plates on top roof
attaching iron plate on the corner	completed frame	attached wave absorbers	putting wave absorbers on the wall	making a door
rest for a while	another lab member voranteered	completed chamber outside	completed chamber inside