Tech entrepreneur Elon Musk first proposed the Hyperloop concept in 2013.

Project envisions ultra-high-speed rail line with 30-minute travel time between New York and Washington DC.

(Source: Nancy Pelosi/flickr)

Smart chatbot JOY routes people to higher quality, less expensive care.

(Source: Prayitno / Thank you for (12 millions +) view/flickr)

State testing piezoelectric crystals, installed under the asphalt, to utilize mechanical power of moving vehicles. 

(Source: Robert Zverina/flickr)

Equipment could prove effective in the rehabilitation of stroke patients.

(Source: amish.patel/flickr)

$20 device lets Prime members order groceries with just voice command.