Quantum Physics

No, Chinese Quantum Computers Have not Broken Military-Grade Encryption

Hacking a 50-bit RSA key is so easy you could do it with your cell phone in secondsRecent headlines claim Chinese researchers used D-Wave quantum computers to hack RSA, AES, and "military-grade encryption." This is both true and misleading.A May 2024 white paper in the Chinese Journal of Computers details how researchers used D-Wave's...

Heaviest Clumps of Antimatter Ever Created in Particle Collider

An illustration of the newly discovered antimatter nucleus, antihyperhydrogen-4Institute of Modern Physics, ChinaPhysicists have achieved a significant milestone by producing the heaviest antimatter clumps ever recorded. These clumps, known as antihyperhydrogen-4, could provide insights into some of physics' most complex questions.Understanding AntimatterAntimatter consists of particles with the same mass as regular matter but...

Levitating Nanodiamonds Spin at 1.2 Billion RPM in a Vacuum

Prof. Tongcang Li (left), Dr. Yuanbin Jin (middle) and Kunhong Shen perform experiments with levitated and rotating fluorescent diamonds at Purdue UniversityPhysicists at Purdue University levitated nanoscale diamonds, making them glow and spin at 1.2 billion rpm with lasers. These experiments could greatly advance quantum physics research.Creating Quantum-Ready Nanodiamonds via High PressureThe nanodiamonds,...

Quantum Nonlocality: A Breakthrough in Quantum Entanglement

The achievement of three-way entanglement is a significant advancement towards the realization of a global quantum internet.Kristina Armitage/Quanta MagazineIn August 2023, researchers in Hefei, China, achieved a groundbreaking milestone in the realm of quantum physics by demonstrating three-way quantum nonlocality. This experiment, conducted at the University of Science and Technology of China (USTC), involved...

New Study Suggests Gravity Exists Without Mass

Credit: PixabayWhat does gravity look like without mass? Newton's groundbreaking laws universally define gravity's effects, while Einstein's concept of warped spacetime describes it in terms of curvature. Traditionally, scientists have associated gravity solely with matterA recent study proposes an unconventional idea: gravity could potentially exist without mass, offering an alternative to the concept of...

Quantum Leap Rapid Battery Charging Promise

Credit: PixabayEnergy storage devices utilizing the wave-like properties of charged particles have the potential to transform the field, potentially enabling faster and more efficient power storage than traditional electrochemical cells could achieve.A team of physicists from National Cheng Kung University has devised a new protocol that aims to translate the fundamental principles of fast-charging...

First Quantum Internet Connection Established

The team's quantum dot setup. Credit: Imperial College LondonFor the first time, researchers have successfully generated, stored, and recalled quantum information, marking a significant milestone in quantum networking.Sharing quantum information is essential for advancing quantum networks used in distributed computing and secure communication. Quantum computing holds promise for tackling significant challenges like financial risk...

A New Variant of Magnetism Promises More Powerful Memory Devices

Credit: Unsplash.New research has unveiled two or three types of magnetism, introducing the possibility of a highly sought-after magnetic property. While early compass users may have perceived magnets as mystical, the scientific understanding of magnetism has evolved. In addition to ferromagnetism and antiferromagnetism, a third type, altermagnetism, has been identified, challenging previous descriptions of...

Shattering the Temperature Barrier: The Quantum Leap of Quantum Ground State Acoustics in Modern Physics

Laboratory Experimental Configuration. Credit: SAOT Max GmelchThe quantum ground state of an acoustic wave, achieved through complete system cooling, presents a significant advancement in bridging classical and quantum mechanics. By minimizing the number of acoustic phonons, disturbances to quantum measurements are reduced, paving the way for transformative applications.Breakthrough in Cooling Sound WavesRecent research by...

Fluid-Like Electricity Flow: Low Quantum Noise in Strange Metal

The electrical current in this substance exhibits characteristics akin to the fluid dynamics of a liquid.Credit: Maxim Studio/ShutterstockResearchers have successfully constructed nanowires featuring a precise 1:2:2 ratio of ytterbium, rhodium, and silicon (YbRh2Si2), revealing an intriguing phase of matter known as the "strange metal." This quantum material defies conventional expectations, particularly regarding the unique behavior exhibited...