An curved arrow pointing right. Capsule hotels — hotels that feature futuristic pods instead of rooms — are a Japanese staple. Said to originally have been developed for traveling businessmen ...

SkyTrans' aluminum rail levitates with help from gravity, a magnet, and a short burst of electricity. Once the pod reaches 10 mph, it continues to glide and accelerate without any additional power.

Gondolas, personal self-driving pods and soaring bridges were among more than a dozen ideas that emerged after Denver International Airport asked for the private sector’s input on how to back… ...