New York city post WW3. Crime in the US in the early 80s.
The good old days when Presidents could be bald. Plane escape mechanisms. Parachutes vs ejection seats vs ejection pods.
Vaccinations by high-pressure jet. Finding out these are real-life. Polio vs Hepatitis.
Large wingspan, light body. The Twin Towers. Clever practical FX for wireframe nighttime navigation display. Comparing budgets with Tron.
Time projections. Cold fusion and hot fusion. Taking the shortest route and simply building a Dyson sphere. Waste production and failure modes.