Electronic voting machines. Digital signatures on passports. Long-distance communication, whether by telegraph, radio, or satellite. Norman Borlaug's wheat hack

Electronic voting machines. Digital signatures on passports. Long-distance communication, whether by telegraph, radio, or satellite. Norman Borlaug's wheat hack. Machine translation. The counting machines that powered the Holocaust (as mentioned, something being a political problem solvable by technical means does not mean it should be solved). Forensic analysis of DNA and fingerprints. Eurovision. Irrigation. Aqueducts. The printing press. I feel like there are many things....