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After a great 2016 Overland Expo West in May, we found ourselves hungry for more, so this year we attended the newer Overland Expo East show in Asheville, North Carolina, which has the same great sense of go-anywhere adventure and "no-obstacle-too-big" innovation. Here are the highlights.

GPS is great unless you lose the signal, so the University of California, Riverside is developing an alternative navigation system that uses secondary radio signals, such as from cell phone systems and Wi-Fi, and is claimed to be highly reliable, consistent, and tamper-proof.

Scientists from the Oak Ridge National Laboratory claim to have produced one of the most usable of all chemicals - ethanol - in a process conducted at room temperature that effectively reverses the combustion process

Win-win: How Finnish researchers are hoping to ease agriculture's toll on the environment with a device that converts plant cells into food.

Hyundai is preparing an all-out onslaught for SEMA 2016, having taken the wraps off a Veloster to join the set of four-wheel drives it showed off last week. The Gurnade Concept takes the basic Hyundai Veloster, and works in a wide-bodykit and some choice engine modifications.

When we first heard about the WalkCar, there was talk of a Kickstarter campaign slated to begin last October. Although that apparently never materialized, WalkCar manufacturer Cocoa Motors has now announced that it will begin taking preorders directly later this month. ​

Disaster relief shelters need to be cost-effective, easy to transport and quick to construct, which explains why many use a flat-pack design. Showing just what's possible in this format, the Duffy Shelter can be constructed in less than an hour and up to 35 of them can be transported in one van.

​​We've already seen sound waves being used to levitate small numbers of foam balls, but scientists have recently taken things a step further. They've created a low-res "display" in which the pixels are actually physical spheres that float and can be individually rotated in mid-air. ​

Pixel is the first smartphone to officially be dubbed "Made by Google." As such, its arrival on the market is hotly anticipated. How does Pixel compare to its industry-leading Android competitor, the Samsung Galaxy S7?

The same team responsible for a thought-controlled robotic arm demonstrated in 2012 has recreated the physical feeling of touch through a robotic hand, allowing a quadriplegic man to feel "his" fingers and hand for the first time in 10 years.​

​Barnacles may seem fairly low down the list of troublemaking sea creatures, but their habit of building up on ship hulls can be the bane of a boat-owner’s existence. A new material makes anti-fouling hydrogels more effective and, in future, it could actively detect and respond to their presence.

​The automotive extravaganza that is the Paris Motor Show wraps up on Sunday, so it's time for a quick look back at the cream of the cars that caught our eye during the 2016 event.