Engineers in China and the US have demonstrated a 6G chip that can provide internet speeds of over 100 gigabits per second (Gbps). That's 10 times faster than 5G 's theoretical limit – and close to 500 times faster than its average speed.

Although 6G communications networks aren't expected to start rolling out until the 2030s, the groundwork needs to be laid well in advance.

We've already seen a few prototypes hit these kinds of speeds , but not usually as efficiently as the new chip, which was developed by scientists at Peking University and the City University of Hong Kong in China and the University of California, Santa Barbara.

For one thing, the chip is tiny, measuring just 11 millimeters by 1.7 millimeters. But within that small package it's operating across an "ultrabroadband

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