TY - JOUR AU - Williams, Gary AB - No abstract TI - LED bulb brightens up physics lessons JF - Physics Education DO - 10.1088/0031-9120/39/6/F09 DA - 2004-11-01 UR - https://www.deepdyve.com/lp/iop-publishing/led-bulb-brightens-up-physics-lessons-3KQ81JeSp0 SP - 470 VL - 39 IS - 6 DP - DeepDyve ER -