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environment

Flying cars could cut emissions, replace planes, and free up roads – but not soon enough

When Chitty Chitty Bang Bang was released 50 years ago, flying cars were a flight of fancy. Now, these futuristic vehicles are entering the outer fringes of reality. According to a new study published in Nature, for some journeys flying cars could eventually be greener than even electric road cars, cutting emissions while also reducing traffic on increasingly busy roads.

How to make computers faster and climate friendly

Your smartphone is far more powerful than the NASA computers that put Neil Armstrong and Buzz Aldrin on the moon in 1969, but it is also an energy hog. In computing, energy use is often considered a secondary problem to speed and storage, but with the rate and direction of technological advancement, it is becoming a growing environmental concern. When the cryptocurrency mining company Hut 8 opened...[Read More]

Three ways making a smartphone can harm the environment

Nearly five billion people worldwide will use a smartphone by 2020. Each device is made up of numerous precious metals and many of the key technological features wouldn’t be possible without them. Some, like gold, will be familiar. Others, such as terbium, are less well-known. Mining these metals is a vital activity that underpins the modern global economy. But the environmental cost can be enormo...[Read More]

Alternatives to meat help solve environmental strain, issues of factory farming

Uma Valeti makes a mean meatball. It’s perfectly round, sizzles when you fry it in a pan and tastes good. But unlike most meatballs, it was grown in a sterile brewery, not a cow. Memphis Meats, the company that he co-founded, has been called “the hottest tech in Silicon Valley” by Fortune magazine and is aiming to revolutionise food production. Dr Valeti is a cardiologist who was...[Read More]

Robot bees vs real bees – why tiny drones can’t compete with the real thing

The latest service to be revolutionised by drones might not be package delivery or internet connections but the far more valuable service of pollination. Researchers in Japan have been exploring the potential of using miniature drones covered with sticky hairs to act like robotic bees to counter the decline of natural pollinators. Writing in a paper in the journal Chem, the team demonstrated their...[Read More]

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