X 光扫描下的树莓派4

https://ppmm.org/images/2019/07/03/b115337d1e14087a4f937710216aee58.jpg
https://ppmm.org/images/2019/07/03/a4e9a1764356e30321494f718b34d857.jpg
https://ppmm.org/images/2019/07/03/b1de1e57b3993056664389bbd8291cba.jpg

https://www.reddit.com/r/raspberry_pi/comments/c6l0qa/i_took_some_highresolution_xray_radiographs_of_my/