
20221026: Why Did Quantum Entanglement Win the Nobel Prize in Physics?
 13:13: ... ability to move around quantum information is critical for quantum computers. ...
 13:21: ... applied these to quantum cryptography and to the development of quantum computers. ...


20220119: How To Build The Universe in a Computer
 11:23: No conceivable technology could fully simulate a quantum universe, except perhaps a cosmicallysized quantum computer.


20211020: Will Constructor Theory REWRITE Physics?
 03:11: ... David Deutsch says, if a quantum computer can, in principle, simulate any process in physics, then all of physics ...


20201005: Venus May Have Life!
 14:02: ...  possible solutions to the impending cryptographycracking powers of quantum computers that don’t themselves require quantum ...
 15:19: Which I guess you don’t need a quantum computer for.


20200928: Solving Quantum Cryptography
 00:10: ... math problem is prime number factoring, and the new era of quantum computers may lay bare your indiscretions, as well as collapse the entire digital ...
 00:31: ... said that quantum computers will threaten the security of our digital civilization because they can ...
 01:08: ... Peter Shor developed an algorithm  Shor’s algorithm  that could use a quantum computer to factor a prime number in, well, a human lifetime, or a human ...
 01:23: ... Quantum computers did not exist in 1994, but just last year, Google’s quantum computer, ...
 01:51: ... quite  quantum computers need to become far more reliable  have better “fault tolerance” and/or ...
 02:29: ... to transport, and the quantum internet may not arrive before better quantum computers can crack current encryption techniques and collapse the modern digital ...
 02:48: It turns out there are some ingenious nonquantum ways to thwart the hacking powers of quantum computers.
 04:21: It works great except for its vulnerability to Shor’s algorithm and quantum computers.
 04:36: To understand that, we need a brief word on how quantum computers do their magic.
 05:24: It turns out there’s a structure to factorization that can be exploited by quantum computers.
 06:35: ... Quantum computers store information in qubits, which, until they give an output, are in a ...
 07:23: ... you tried to use a quantum computer to guess the factors of a prime number, you’d read out one of the ...
 08:20: So far, quantum computers are stuck under 100 qubits and none have managed to factor a number higher than 21 with Shor’s algorithm.
 08:31: Does that mean I’m a quantum computer?
 08:37: ... current technology isn’t there yet, when we figure out how to build quantum computers with thousands of qubits even the very high digit RSA keys will not be ...
 13:34: ... resistant algorithms seem like they will be hard, if not impossible for quantum computers to crack, but that doesn’t mean no one will come up with a way to do ...


20200728: What is a Theory of Everything: Livestream
 00:00: ... also magical features of quantum mechanics that we use to try to build quantum computers today but they're very weird and it seems that like to really try to ...


20200428: Space Time Livestream: Ask Matt Anything
 00:00: ... an amazing show it's about you know this tech genius who builds a quantum computer that does something that I can't tell you what it does but it involves ...


20190715: The Quantum Internet
 02:33: ... there’s the whole quantum computer thing  in those, the ability for a qubit to hold many simultaneous ...
 02:43: Partly motivated by the cryptographiccracking power of the quantum computer, we also want to think about a quantum internet.
 10:57: ... to build the next generation of cryptographic protocols, distributed quantum computers, as well as achieve new levels of atomic clock synchronization and ...


20190516: The Cosmic Dark Ages
 13:43: ... others also point out that internet security isn't doomed in the wake of quantum computers without us also having quantum cryptography. There are a number of ...


20190509: Why Quantum Computing Requires Quantum Cryptography
 00:56: We may come back to quantum computers in detail – but for now just a word on why their advent will demand a quantum internet.
 01:04: The logic gates of a quantum computer exist in a state of quantum superposition of many simultaneous configurations.
 01:21: For example, a quantum computer can calculate the prime factors of large numbers extremely quickly.
 03:01: Once quantum computers can factorize public keys quickly the entire public key system falls apart.
 13:16: But come quantum computers even the smartest classical security protocols will be compromised.


20181010: Computing a Universe Simulation
 07:35: This sort of quantum spin array is exactly the system used in most quantum computers.
 11:53: This will be important as quantum computers develop.


20161102: Quantum Vortices and Superconductivity + Drake Equation Challenge Answers
 02:36: ... are very likely, and it may even be possible to build a topological quantum computer that uses entanglement between ...
