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John Preskill

05/16/18

@ Y Combinator

Quantum entanglement is a key property that allows information to be stored in the correlations between parts of a quantum system, making it difficult to access that information by examining individual parts.

Video

John Preskill on Quantum Computing

@ Y Combinator

John Preskill on Quantum Computing

05/16/18

Related Takeaways

Brian Cox

04/03/25

@ Big Think

Quantum entanglement means that when two particles are entangled, measuring one instantly determines the state of the other, regardless of the distance between them.

John Preskill

05/16/18

@ Y Combinator

Quantum error correction takes advantage of entanglement to protect information from environmental disturbances, ensuring that the environment cannot learn anything about the protected information.

John Preskill

05/16/18

@ Y Combinator

Quantum error correction may play a crucial role in understanding the geometry of space-time, suggesting that entanglement is fundamental to the structure of the universe.

Brian Cox

04/03/25

@ Big Think

Quantum mechanics and quantum entanglement are becoming very real as we begin to access a complicated configuration space to perform useful calculations.

John Preskill

05/16/18

@ Y Combinator

Quantum key distribution allows for secure communication by ensuring that any eavesdropping will disturb the quantum state, alerting the parties involved.

John Preskill

05/16/18

@ Y Combinator

The key to effective quantum computing is ensuring qubits interact as desired, rather than just focusing on increasing coherence times.

Leonard Susskind

12/07/18

@ Y Combinator

Quantum mechanics has already shaped technology significantly, and the exploration of massive entanglement in quantum systems will lead to advancements that classical computers cannot achieve.

Gregg Braden

04/23/24

@ André Duqum

In a remote viewing experiment, two entangled photons acted simultaneously despite being separated by 14 miles, demonstrating that information can be shared instantaneously across distances.

Simon Benjamin

05/26/18

@ Y Combinator

We can create qubits that are entangled at 90% quality, but we can store them practically forever, allowing us to enhance their quality through a process similar to improving a staticky communication channel.