Below device is a piece pyrolytic graphite sandwiched between two neodymium magnets.
Didn't work a well because the pyrolytic graphite was damaged, but this image proves the first image wasn't the result of an IR reflection.
- average=0.236983
- corr=0.783352
- average=0.395012
- corr=0.599549
- average=0.231129
- corr=0.409586