Been a little while since the last Macro Mystery so I thought I’d do a quick one with the D90. Like usual, don’t look at the comments if you don’t want the answer spoiled, but this one is easy. Click for full size:
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I'm a 27 year old self-proclaimed geek. I have a B.S. in Computer Science and I work with web technologies and databases on a daily basis. My geekiness extends into computers, photography, sound, video games, music, movies, politics, firearms and economics.
Broken edge of a CD or something? (see what I did there? all other answers covered under “or something”)
Yes edge of a CD, I angled it so the refraction would act as a clue.
I was going to say soapy water, but I figured you wouldn’t let that stuff get anywhere close to your D90.
doh, I couldn’t get to the comments without seeing one.
I was going to say “something really up close.”