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A more secure internet could be on its way thanks to the work of engineering researchers who have demonstrated proof-of-principle for a device that could assist in the creation of a future quantum Internet. 

Professor Hoi-Kwong Lo from the University of Toronto and his team have created a prototype for a key element for all-photonic quantum repeaters. These repeaters are an essential part of achieving long-distance quantum communication. 

The internet we use today was not designed for security, and it is constantly being hacked, broken and exposed. Despite the work of many to make aspects of the internet more secure, the knowledge of those creating secure spaces and those hacking it are on the same level. 

To overcome this, researchers have proposed the creation of a quantum internet that would use principles of quantum physics to create virtually unbreakable encryption.

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