Because Luhn’s algorithm requires so little processing power, the computer handling the transaction can also run the check without needing to contact any third party.

If the result is not a multiple of 10, then the credit card number is invalid. I’ll show the Luhn algorithm in action on my Visa, but you should try it with your credit card, too.

Grover's algorithm, a quantum algorithm for search, can be used to prepare entangled states of many qubits efficiently.

American journalist Alec Luhn recounted his harrowing survival in Norway’s wilderness after a hiking accident left him with a broken leg.

Alec Luhn, 38, an American journalist, hopes the lessons he learned from his ordeal in a national park in Norway can help others.

A Florida woman caught 60 snakes in the state's annual 10-day challenge to eliminate the invasive Burmese python species wreaking havoc with the Everglades ecosystem.

Stranded and injured, he drank his own urine to survive in the wild. Here’s how an American hiker made it home ...

The algorithm thinks you’re rich. Prepare to pay more for that flight. Airlines and other companies are increasingly using data to determine pricing, says a visiting scholar at Harvard’s Berkman Klein ...

As he tumbled down a steep cliff in Norway, Alec Luhn knew his life was in danger.

Woman claims $10,000 as "Ultimate Grand Prize" winner in Florida Python Challenge When it was all said and done Wednesday, a woman emerged as the top snake slayer of the 2025 Florida Python Challenge.