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New Advances Bring the Era of Quantum Computers Closer Than Ever
Two research groups say they have significantly reduced the amount of qubits and time required to crack common online security technologies.
Quantum Cryptography Pioneers Win Turing Award
Charles Bennett and Gilles Brassard were recognized for their foundational work in quantum information science.
Why Do Humanoid Robots Still Struggle With the Small Stuff?
The last decade has seen vast improvements in humanoid robots, but graduating to widespread use might require going back to the fundamentals.
A New Complexity Theory for the Quantum Age
Henry Yuen is developing a new mathematical language to describe problems whose inputs and outputs aren’t ordinary numbers.
Why There’s No Single Best Way To Store Information
The math of data structures helps us understand how different storage systems come with different trade-offs between resources such as time and memory.
Distinct AI Models Seem To Converge On How They Encode Reality
Is the inside of a vision model at all like a language model? Researchers argue that as the models grow more powerful, they may be converging toward a singular “Platonic” way to represent the world.
The Year in Computer Science
Explore the year’s most surprising computational revelations, including a new fundamental relationship between time and space, an undergraduate who overthrew a 40-year-old conjecture, and the unexpectedly effortless triggers that can turn AI evil.
Cryptographers Show That AI Protections Will Always Have Holes
Large language models such as ChatGPT come with filters to keep certain info from getting out. A new mathematical argument shows that systems like this can never be completely safe.
‘Reverse Mathematics’ Illuminates Why Hard Problems Are Hard
Researchers have used metamathematical techniques to show that certain theorems that look superficially distinct are in fact logically equivalent.