Brazil protesters lift blockade of Amazon grain shipping route
Munduruku activists end blockade of the Trans-Amazonian Highway after securing a meeting with a Supreme Court justice, allowing the resumption of grain shipments worth millions.
Amazon Web Services (AWS) has announced the development of a new quantum computing chip, dubbed Ocelot, which it believes could shave up to five years off its timeline for building a commercially viable quantum computer.
The prototype, unveiled on Thursday alongside a peer-reviewed paper in Nature, represents a significant technological leap despite currently possessing only a fraction of the computing power required for a fully operational quantum system.
Quantum computers promise to perform calculations that would take conventional machines millions of years, potentially revolutionizing industries ranging from materials science to pharmaceuticals. However, the fragile nature of qubits—the fundamental building blocks of quantum computing—necessitates robust error correction mechanisms. Traditional industry estimates have held that around one million physical qubits are needed to produce a sufficient number of reliable logical qubits for practical computing tasks.
AWS’s Ocelot chip, however, employs an innovative "cat" qubit approach, inspired by Schrödinger’s famous thought experiment, which allows the system to yield one working logical qubit from just nine physical qubits. Oskar Painter, AWS Director of Quantum Hardware, explained that this breakthrough could eventually enable useful quantum computers to be built with only 100,000 physical qubits—a reduction by a factor of five to ten compared to conventional estimates.
Constructed using standard semiconductor techniques and the material tantalum, the current prototype serves as a proof-of-concept. Painter noted, “We hope to customize these techniques further, making improvements at the materials and processing levels that will simplify the underlying technology and accelerate our development timeline.”
The announcement comes as major industry players, including Google, Microsoft, and startup PsiQuantum, also make strides in the rapidly evolving field of quantum computing. AWS’s latest venture underscores its commitment to remaining at the forefront of quantum innovation as it races to transform theoretical promise into commercial reality.
China has rolled out the world’s first 10-gigabit (10G) fixed broadband network in Xiong'an New Area, promising ultra-fast speeds and low latency through cutting-edge optical infrastructure.
The Holy Fire ceremony stands as one of Christianity's most enduring and mysterious rituals, drawing thousands of pilgrims to Jerusalem each year.
Pope Francis's relationship with Azerbaijan has evolved significantly over the years, characterized by diplomatic exchanges, promotion of religious tolerance, and peace advocacy in the Caucasus region.
Severe rainfall on April 17 led to flooding and landslides in the Piedmont region, prompting a large-scale emergency response from over 400 firefighters.
Russia launched a major missile and drone assault on Kyiv overnight on April 24, killing at least nine people and injuring 70, including six children and a pregnant woman, according to Mayor Vitali Klitschko.
Three astronauts will head to China’s space station on Thursday as part of the Shenzhou-20 mission, replacing a crew that spent six months conducting research in orbit.
China has rolled out the world’s first 10-gigabit (10G) fixed broadband network in Xiong'an New Area, promising ultra-fast speeds and low latency through cutting-edge optical infrastructure.
Scientists claim to have discovered a new color, "olo", perceived during an experiment involving laser pulses aimed at retinal cells. The blue-green hue is more saturated than any natural color, but some experts question whether it should be classified as a true new color.
OpenAI has unveiled a new option called Flex processing, an API service designed to provide more affordable AI model usage in exchange for slower response times and occasional resource unavailability.
A rare red meat allergy known as alpha-gal syndrome is drawing new attention as researchers link it not only to the lone star tick but also to other U.S. tick species, raising concerns about growing risks and underdiagnosis.
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