This week on Tech It Out, we look at "Stargate," an aerial medical evacuation drone being tested by Ukraine's front-line brigades to airlift wounded soldiers out of deadly combat zones in minutes; meet Iris, a bipedal delivery robot tackling stairs, curbs, and tight spaces to bring packages straight to your doorstep; and visit northern Ontario, where the Wiikwemkoong First Nation has built an offline, fireproof micro data centre to guard ancient language.