A researcher from University of Illinois claims that grip on the bat during contact with baseball has no effect on ball speed and trajectory. The study, demonstrated in theory and experiment, corrects coaching advice to relax grip during swing.
Physicists have discovered that entangled photons, a phenomenon in quantum physics, can create smaller features on lithographic masks than classical physics allows. This breakthrough could enable manufacturers to continue miniaturizing and speeding up computer chips, potentially breaking the Moore's law barrier.
Intensity modulated radiotherapy (IMRT) enables physicians to deliver targeted radiation doses to tumors, improving treatment outcomes for various cancers. By using advanced imaging techniques and computer algorithms, IMRT minimizes damage to surrounding healthy tissues.
Researchers successfully sent encrypted messages using quantum entanglement, a phenomenon that allows particles to be linked across distances. The demonstration marks a significant step towards creating secret codes that are virtually unbreakable and could eventually replace current data encryption methods.
The American Physical Society's largest physics meeting will feature over 5000 speakers presenting on topics including nanotechnology, MEMS innovations, cancer detection, and cardiac disorders. Researchers will also discuss pseudoscience and superstition in science.
Lawrence Schulman proposes a new scientific spin on science fiction, suggesting the possibility of reverse arrow systems where broken eggs re-form and timeline runs backwards. He uses statistical computer modeling to show that such systems could exist in regions with dark matter.
A new theory suggests that solar eruptions originate below the Sun's visible surface, rather than in its outer atmosphere. The proposed 'solar flux rope' model could improve forecasting and preparation for electrical disruptions on Earth.
A new auto device called plasmatron cuts pollution drastically in all kinds of vehicles, reducing nitrogen oxide emissions by 90%. The device is fully compatible with present engine technology and could offer many benefits envisioned for alternative vehicles sooner and at lower cost.
Physicists discuss new discoveries in plasmas, including solar eruptions triggered by magnetic flux ropes. Advances in plasmatrons for vehicles reduce pollution emissions, enabling more efficient engine operation.
Researchers at University of Michigan have developed a new isotope-separation process using an ultrapowerful laser system that can deliver up to 1000 times more power than the entire electrical generating capability of the US. This technique provides a futuristic alternative to bulky methods and opens possibilities for preparing medica...
Researchers will gather at a record-breaking acoustics meeting to discuss topics including the dangers of noise-induced hearing loss in day-care centers and the potential for thermacoustic refrigerators to create musical tones. The event features over 1,950 abstracts submitted by scientists from 44 countries.
A US-France-Canada physics collaboration has confirmed that hydrogen bonds in water partially get their identity from covalent bonds within the H2O molecule. This property is a manifestation of quantum mechanics' effects, enabling researchers to improve predictions and advance areas like nanotechnology and superconductors.
The American Physical Society is celebrating its 100th anniversary at a giant meeting in Atlanta, Georgia, from March 20-26, 1999. Over 7,000 physicists and experts will attend the event, which includes keynotes from national political figures and Nobel laureates.
Researchers John Toner and Yuhai Tu develop a theory explaining how birds move as a single unit despite frequent misjudgments and limited visibility. By making analogies to physics phenomena like magnet alignment and fluid flow, they provide insights into other animal collectives and even auto traffic flow.
A new study by Armin Bunde and colleagues found that temperature correlations persist worldwide, with a universal exponent gamma of -0.65, holding for at least a decade and potentially centuries.
The American Institute of Physics hosts a major physics meeting in Columbus, featuring discussions and press conferences among attendees. Online abstracts and a virtual pressroom are also available on the APS website, providing access to meeting information, schedules, and related resources.
Physicists have measured the rate of single proton release from highly deformed nuclei, offering insights into how nucleus shape affects radioactivity. The study reveals that these unusual shapes can significantly impact radioactivity rates, challenging conventional models.
The American Institute of Physics announces a new award for broadcast media, recognizing distinguished writing that improves public understanding of physics and astronomy. The winning author will receive $3,000 and a certificate.
Physicists have demonstrated that single photons and other quantum particles can store a maximum amount of readable information in the presence of noise and real-world disturbances. This finding provides insights into how little energy is required to store complex messages, advancing the idea that information is physical in nature.
MIT researchers verify coherence property in atomic beam, a key attribute of optical lasers, and extract controlled fraction of atoms from Bose-Einstein condensate to produce directional stream. This breakthrough may lead to significant innovations in nanotechnology and precision measurements at the quantum level.
The Soviet nuclear program was a complex web of innovation, espionage, and human risk. The recent Dubna conference and new research shed light on the program's history, highlighting key breakthroughs and competing efforts between the US and USSR.