Quantum internet: The race is on to build an unhackable online world

A lot of us have uploaded our lives to the web. Banking, work emails, social media, dating profiles, medical records – all that vital, sensitive information. So it is a little disconcerting that the internet includes a fatal security flaw. Don’t panic; our personal information is safe for the present time. But before long the encryption algorithms that protect us online are going to crack.

This is the urgent driving force behind a fresh, more secure kind of internet that harnesses the energy of the quantum realm. Once ready to go, the system should be able to do far more than protect our data. It could bring us unforeseen quantum apps, and perhaps become the scaffold for a world-spanning quantum computer of incredible power.

Building the quantum internet is an enormous and multi-faceted engineering challenge, however the foundations already are being laid. Networks of fibres are spreading. Scientists are chatting in secret on local networks. There are even plans to use tiny satellites to enable long-distance quantum connections. Sooner or later, we’re able to all be joining the quantum information superhighway.

Human culture and industry have long been based on information. In the event that you could get the proper kind of information, understand it and share it, you could gain power and profit. The rise of the internet as we realize it cemented the role of information and we are just starting to feel its profound effects. Now we are in the threshold of a new information age, that could change things yet again.

Conventional, classical computers deal in digital units called bits. This can be the amount of information in the results …

A lot of us have uploaded our lives to the web. Banking, work emails, social media, dating profiles, medical records – all that vital, sensitive information. So it is a little disconcerting that the internet includes a fatal security flaw. Don’t panic; our personal information is safe for the present time. But before long the…

A lot of us have uploaded our lives to the web. Banking, work emails, social media, dating profiles, medical records – all that vital, sensitive information. So it is a little disconcerting that the internet includes a fatal security flaw. Don’t panic; our personal information is safe for the present time. But before long the…

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