Different materials were handled roughly, placed in water, burnt, scoured with an abrasive cleaning pad and covered in black marker pen, but the laser was still able to read the surface fingerprint.

BBC: NEWS | Technology | Laser spots paper 'fingerprints'

Aluminum foil as glassware scrubber: To get baked-on food off a glass pan or an oven rack, use dishwashing liquid and a ball of foil in place of a steel-wool soap pad, says Mary Findley, president of the cleaning-products developer Mary Moppins.

CNN: New uses for Thanksgiving items