Lighting the Way at Nanometer Scales
Light waves bouncing around could replace a significant portion of digital computation.
Arnout Jaspers | Commissioned by CACM Staff
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Terabit/s Optical Data Link Demonstrated for Satellites
An optical data link was demonstrated over 10km (more than six miles) of open air in a field experiment in the Netherlands.
Europe’s Blockchain: A Solution Struggling to Find a Problem
Decentralizing the chain of trust to a blockchain–also known as a distributed ledger–causes additional privacy and security issues.
Europeans Wary of New Digital Identity
Rollout of European Digital Identity sparks Big Brother-type fears.
Apple’s Plan to Scan Handset Images Stopped Before It Started
When Apple announced its plan to scan iCloud Photos for child pornography, privacy groups were quick to condemn it.
Mining Financial Data Without Actually Seeing It Can Detect Fraud
Multiparty Computation permits computation on encrypted values.
Quantum Computing with Exponentially Fewer Errors
A procedure tested on Google's Sycamore quantum processor demonstrates the next practical level of error correction.
Majorana Meltdown Jeopardizes Microsoft’s Quantum Computer
Majorana particles would make perfect qubits to build a large quantum computer, but their creation and detection in 2018 was probably no more than overinterpreted noise. Lead scientist Leo Kouwenhoven's integrity is now under investigation.
First European Quantum Computing Facility Goes Online
Quantum Inspire is smaller than IBM's Quantum Experience, but offers the first online quantum processor that uses electron spins in quantum dots as qubits.
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