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Engineers at the US Army Armament Research, Development, and Engineering Center have developed and patented a proof-of-concept bullet that disables itself after flying a preset distance.

Two of the biggest phones of the year were launched head-to-head at this year's Mobile World Congress in Barcelona: but how does the smaller of Samsung's two 2016 flagship phones compare with LG's innovative modular handset? Here are all the key specifications and features you need to know about.

A year ago, UK-based Boxer Cycles launched the Rocket, a unique, child-carrying electric trike styled like a classic aircraft. This year, it adds an even more stylish, luxurious version, the Rocket Saturn. Like a special edition car, the new trike enjoys both styling and performance upgrades.​

ESA has concluded that it's possible to build a hybrid solar-sail/electric-propulsion satellite that could hover over either of the Earth's poles by balancing the pull of the Earth and the Sun.

​We've already seen bikes that double as a talk show set, coffee shop and pizza-serving bar, but a full-size weather-monitoring station? That's a new one. It's also exactly what University at Buffalo architect Nicholas Rajkovich created, however, to collect fine-scale weather data.

One can't help but admire the designs for BIG's Two World Trade Center and The Spiral in New York, but a third from the firm is perhaps the most eye-catching of all. Perched at the side of the Hudson, Via 57 West is a dramatic slice of a building with a green oasis peeking out of its center.

It can obviously be proven false if you're willing to wait around long enough, but researchers have added some truth to the old adage that a watched pot never boils. They've managed to put a boiling bubble on pause to learn more about the way such bubbles form when water boils.

A flexible, paper-like ceramic material has been created that promises to provide an inexpensive, fireproof, non-conductive base for a whole range of new and innovative electronic devices.

What with having to do testing on public roads, carmakers don't have the luxury of keeping their products hidden until launch like other manufacturers. Instead, they try to camouflage their prototypes as best they can. Ford has revealed some of the newer methods it is using to do so.

Researchers at Washington State University have created the world's first computer simulation capable of growing realistic forests, using the model to predict how things like frequent wildfires or drought might impact forests across North America.

A Canada-based startup is tuning drone technology to the rugged Canadian wilderness, launching a portable drone that can be quickly unpacked and unleashed to stream thermal images of woodlands to sniff out hikers that have wandered off course.​​

The recent launch of Rythm and the introduction of its Dreem device adds a new approach to combatting poor sleep, by detecting when a sleeper is in a deep sleep state and maintaining that state through the use of sound.​