Africa: South Africa and China Set Up a Quantum Communication Link – How We Did It and Why It’s Historic

Africa: South Africa and China Set Up a Quantum Communication Link – How We Did It and Why It’s Historic

A major breakthrough in quantum technology was achieved in October 2024: the first-ever quantum satellite communication link between China and South Africa. The connection spanned a remarkable 12,900km: the longest intercontinental quantum communication link established to date. The longest before this was 7,600km and within the northern hemisphere only. It was achieved with quantum key…

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The internet’s weakest link is under the ocean

The internet’s weakest link is under the ocean

Countries have come to rely on a network of cables and pipes under the sea for their energy and communications. So, it has been worrying to read headlines about communications cables being cut and, in one case, an undersea gas pipeline being blown up. Critical undersea infrastructure (CUI) as these connections are known, supports about…

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