If anyone is interested in seeing a short video of the optical illusion ring that I featured in photo number 306, illusionsetc.blogspot has a link to a clip that shows how it looks in motion.
333. Trumpet mute
334. Jar opener
335. The object of the experiment is to start a fire using the mirrored surface and the rays of the sun, as seen on this site.
For comparison, below is a picture of an unpolished can:
336. Hydrometer
337. Meat tenderizer
337. Tent peg
Back to Puzzle Photos
333. Trumpet mute
334. Jar opener
335. The object of the experiment is to start a fire using the mirrored surface and the rays of the sun, as seen on this site.
For comparison, below is a picture of an unpolished can:
336. Hydrometer
337. Meat tenderizer
337. Tent peg
Back to Puzzle Photos