A Tale of Two Qubits: How Quantum Computers Work(arstechnica.com)

2 pointsby _giu17 lat temu1 comments

A Tale of Two Qubits: How Quantum Computers Work

http://arstechnica.com/science/guides/2010/01/a-tale-of-two-qubits-how-quantum-computers-work.ars

1 comments

xiaoma17 lat temu

"If the phonebook has 10,000 entries, on average you'll need to look through about half of them—5,000 entries—before you get lucky."

How could one possibly search a phone book so poorly? Even a dumb binary search would eliminate about half the remaining entries each time, getting the job done after only checking around 15 entries.