Australian entrepreneur David Mayman buzzed the Statue of Liberty in New York City during a jetpack demonstration.
An aircraft dubbed the Skreemr can travel at 10 times the speed of sound, or just under 8,000 mph.
Two US F-16s fighter jets were scrambled to pursue the JLENS blimp as it floated north of Washington.
Traveling with pets is improving, suggests the recent trip of a portly pooch that was wheeled into LAX and seated in the first class section of a plane.
The new fuel has an unexpected side benefit, too — 12 percent fewer emissions than conventional fuels.
When the chopper touches down, four robotic legs automatically move to stabilize it.
The test flight set a new record and could lead to teams of drones being deployed on search-and-rescue missions.
Creating water out of air, the world's largest airship and a Storm Trooper named Eric round out this week's gallery.
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