People are definitely blown away by them.
As for why it looks so weird, take a look at this image.
The true output of CT scans are a stack of horizontal slices. This is a slice through the skull of someone who likely has a metal clip around an aneurysm to prevent it from getting worse. The streaks surrounding it are because metals absorb so much of the radiation, the machine can’t correctly calculate the attenuation of the tissue surrounding it.
Like Amal said, the copper traces and solder pads are causing this effect on a smaller scale. This is why the center of it looks “smeared”.