Many of you guessed correctly that yesterday's mystery image was a raisin.
Here's today's images:
The point of a thumbtack at 60x.
I don't have any stain right now, but this is a human skin cell taken from the inside of my cheek at 200x.
A green scouring pad at 60x, 200x and fluorescing at 60x.
Two threads at 200x. The top is 100% polyester and the bottom is 63% polyester,
What is today's mystery image?