© vchalup/stock.adobe.com
Quantum physics makes it possible to communicate securely. Scientists are now looking for ways to convert them into everyday technology.
Shopping on the Internet – that has now become a matter of course for many: call up the website, select a product, check out, pay – that's it. Encryption of the communication between the customer's computer and the retailer's server ensures that the payment is processed securely. It is based on a clever mathematical technique that makes it easy to encode information but difficult to decode the encoded information.
The basis are two large prime numbers that are
