CC VoltageCurrent probe
CC Fast Response Temperature probe
handheld computer
CC LabBook software
handheld generator (Genecon)
capacitor (1 farad)
constructed air cart (see Investigation: Air Cart)
wire clip leads
heat cell
Fresnel plastic lens (5cm x 8 cm)
black marker or carbon from a burnt candle wick
sunlight or incandescent light bulb in a lamp with no shade