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Fake heads and robot probes: testing smartphones prior to launch
On the shelves of a laboratory near San Francisco sit tanks and tanks of mysterious-looking liquids. Labels identify some as simulations of human heads, while others relate to muscles.It sounds like the ghoulish headquarters of a mad scientist, but it isn't. It's the Silicon Valley offices of UL, a product testing organization previously known as Underwriters Laboratory, and these liquids play an important part in smartphone safety.You might not know UL, but you can probably find its logo on a number of products around your home. Martyn Williams Two UL logos are seen on a computer power supply. The company tests products to ensure they meet safety requirements.To read this article in full or to leave a comment, please click here

Ideally, 5G and cloud would be interrelated, but instead they are merely parallel.