So you've 'seen' the black hole. Now for the interesting bit – how all that raw data was stored
https://www.theregister.co.uk/2019/04/12/heliumfilled_disk_drives_stored_black_hole_data/
The black hole image released yesterday needed over a thousand helium-filled disk drives to record it.
Regular drives were tried and tested but failed due to air pressure at the high altitudes of the radio telescope sites.