Transportation Methods
Swimming
- Propeller and jet airplanes
- Helicopters
- Birds
- Ramjets & scramjets
Walking
- Cars
- Trains
- Skateboarders
- Snakes
Throwing rocks
- Rockets
- Arcjets
- Ion/hall/cold gas thrusters
- Throwing rocks
Sailing
- Solar sails
- Land yachts
- Kite propulsion
- Dandelion seeds