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If you smiled at someone and they didn't smile back, you'd probably find it off-putting. Well, that's what usually happens if you smile at a humanoid robot … but not in the case of the expression-mirroring EVA.

Batteries are taking ages to improve, but Sweden's Candela isn't waiting around. Instead, it's built a low-drag hydrofoiling boat that barely touches the water, giving it a super-smooth, efficient ride and three times the range of other electric boats.

A project in Japan is seeking ways to grow vegetables in subtropical monsoon conditions. A consortium, composed of the Japanese government, academia and private companies is developing a plant factory system to supply produce despite the climate.

KinectAir says it'll be running VoltAero's pretty Cassio aircraft as part of its regional fleet by 2023, allowing it to offer all-electric short-range and hybrid-electric longer-range hops at seat prices around 70% of current conventional aircraft.

A number of factors are contributing to declining bee populations, but a tiny new ingestible particle developed at Cornell University takes aim at a key one, by detoxifying deadly insecticides before they can do these important critters harm.

While some companies are racing to build and certify eVTOL air taxis, others want own the customer relationship. UK company Halo has announced an order of 200 eVTOLs from Embraer spin-off company Eve, to enter service in 2026 in the UK and US.

Discarded carpets take up a lot of space in landfills, or create a great deal of smoke when incinerated. Soon, however, it may be possible to recover high-grade polypropylene from synthetic carpets that would otherwise just end up in the dump.

Scientists have worked out a way to embed active enzymes in plastic that can give it different capabilities, such as an ability to break down proteins on the surface or degrade itself to avoid polluting the environment.

Most conventional light microscopes have a resolution of 200 nanometers – this means that imaged objects which are any closer together won't be seen as separate items. A new high-tech microscope slide, however, boosts that figure to 40 nanometers.

Everyone likes a slice of nostalgia. Share some memories with your family, friends, or just have a solo day of fun recreating youth with this Toybox 3D Printer Deluxe Bundle — just $299.97 this Memorial Day.

The world-record price for a camping chair more than doubled this week when Christie's Hong Kong sold a 17th Century Chinese Folding Horseshoe-Back Jiaoyi for $8.5 million, far exceeding the highest price previously fetched by a Chinese Jiaoyi.

Tech startup Ampere has smartened up the humble sunglasses with Dusk, a pair of shades that change tint on demand via a phone app or a button press. A deluxe model also packs built-in speakers and a microphone for making calls.