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Articles on 5G

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The FAA raised concerns that new, full-speed 5G cellphone services near airports could interfere with aircraft operations. Bernal Saborio/Flickr

How 5G puts airplanes at risk – an electrical engineer explains

Airplanes use radio waves to determine how far off the ground they are. New 5G cellphone services come close to the same frequencies the airplanes use. Here’s how that can be a problem.
Telecommunications companies around the world are expanding their next-generation, or 5G, networks. Guo Shining/VCG via Getty Images

What is 5G? An electrical engineer explains

5G is 10 times faster than 4G, promising better wireless internet access. It’s also expected to put the Internet of Things revolution in high gear.
Seeing through walls has long been a staple of comics and science fiction. Something like it could soon be a reality. Paul Gilligan/Photodisc via Getty Images

Fast computers, 5G networks and radar that passes through walls are bringing ‘X-ray vision’ closer to reality

The murky blobs visible with today’s wall-penetrating radar could soon give way to detailed images of people and things on the other side of a wall – and even measure people’s breathing and heart rate.
Most of the world’s electronics are not recycled, posing health and environmental risks. catscandotcom/Getty Images

Consumer electronics have changed a lot in 20 years – systems for managing e-waste aren’t keeping up

Technical advances are reducing the volume of e-waste generated in the US as lighter, more compact products enter the market. But those goods can be harder to reuse and recycle.
A photo taken from the International Space Station in 2014 shows the Soyuz TMA-15M spacecraft on the left and the unpiloted ISS Progress 57 cargo craft. Six years later, private players have joined the space race. Picryl

Major changes coming over the horizon for the global space industry

Over the coming decade, the arrival of constellations of small satellites will reshape the space industry. It constitutes a paradigm shift, particularly in terms of data gathering and processing.
Liang Hua, CEO of Huawei poses during a stay in Paris in December 2019. The smartphone giant could well lose many European markets because of American sanctions. Joel Saget/AFP

Can Huawei survive the US sanctions?

Sanctions against Huawei by the US Commerce department have been followed by other countries. How can the company’s business thrive with so few avenues left?

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