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In what could just as easily prove to be a very bad idea as it could a good one, a startup company called Feelreal has created a virtual reality mask and helmet that lets you smell virtual environments as well as feel a little of their atmosphere.

The GeniCan is a prototype device that attaches to a trashcan so it can be used to scan barcodes of items as they are thrown out. They can then be added to a list or automatically reordered.

While armed drones like the Predator tend to attract most of the attention when it comes to military use of unmanned aerial vehicles (UAVs), the unmanned K-MAX helicopter recently demonstrated its ability to evacuate wounded fighters from a hypothetical battlefield.

After more than two years' worth of rumors, the Apple Watch is finally here. As the company's most closely-watched launch in five years, can it follow the Sasquatch-sized footprints of the iPod, iPhone and iPad? Join Gizmag, as we review the Apple Watch.

Japan's I-400-class subs were so large that they could each carry and launch three Aichi M6A Seiran amphibious aircraft. Now, for the first time since it was scuttled at the end of World War II, one of the sunken subs' aircraft hangars has been photographed.

Lomography is bringing the optics from the iconic Lomo LC-A to interchangeable lens cameras with the launch of the LC-A Minitar-1 Art Lens. The handmade lens will feature a Leica M Mount and will be compatible with other cameras using an adapter.

The TomTom Bandit is a new sensor-packed action camera which aims to make editing and sharing action videos easier thanks to a built-in media server, automatic tagging of action-packed moments, and a "shake to edit" function.

Owning an aquarium can be quite enjoyable, but it comes with plenty of headaches. There's a lot of maintenance that's a part of owning one – maintenance that Aqua Design Innovations aims to get rid of with the introduction of its EcoQube C fish tank.

Researchers at the Pusan National University in South Korea have developed an advanced light shutter that can rapidly switch between transparency and opaqueness in less than a millisecond, paving the way for displays that become see-through at the flick of a switch.

The "CH4" is a portable device designed to keep track of your personal exhaust fumes with the sole goal of helping you find the meals that make you toot the least, for the sake of everyone who spends long stretches of time with you in cramped or poorly ventilated spaces.

On June 5 and 6, the 2015 DARPA Robotic Challenge (DRC) Finals will take place at Fairplex in Pomona, California. Open to the public, it will see 25 international teams compete for US$3.5 million in prizes as part of an effort to develop robots for disaster relief. Here's what to expect.

NASA is working with Indiana-based company Techshot Inc. in order to produce an abundant source of oxygen on Mars, with minimal assistance from Earth. The project is exploring the potential of using ecosystem-building pioneer organisms such as bacteria or algae as oxygen factories.