Sonar / noise could not harm whales / marine life
Buttons could be compasses
Boats could be impossible to capsize
Black could be blacker than black
A voice-recording button / stuffed animal could be a parenting tool for separation
Psychedelic drugs (or non-lethal chemical weapons) could be used in interrogations / warfare instead of torture / weapons
Tech could warn civilians when / where bombs might fall
A military trick could lead to sleep in two minutes
Warlords / genocides could be stopped through private / public alliances
The revolving door between government / private business could be fixed
Private military contractors (PMCs) use by countries could be regulated
Military transitioning to civilian life could have more support / training / resources
Weapons could not use depleted uranium
Democracies could not have ethnic / tribal / religious political parties
Independent, specialized prosecutors could handle military sexual assault
Synthetic aperture radar (SAR) could help with wildlife conservation
Inflatable weapons could be used
Greetings cards could be made for the sick, elderly, or military
Greek tragedies could help people heal
Storytime could be held virtually
Veterans could help with natural disasters
Volunteers could rescue people in natural disasters
Organizations could offer "returnships" for people to return-to-work
CTE could be addressed, prevented, and treated in different sports and the military
Backpacks could float
Bullying could be reported anonymously
Military personnel could deploy for shorter periods to reduce mental health issues