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Quantum Leap Or Quantum Mirage...
Chemicals To Put Out Fires Are 'Riskier' For Firefighters...
Six-muon Events Probe Proton Collision Dynamics
The Probability Density Function: A Known Unknown
Up-to-date With The Big Bang, Mass, And Protons
I recently listened again to Richard Feynman explaining why the flowing of time is probably an illusion. In modern physics time is just a coordinate, on the same footing as space, and the universe can be described as a four-dimensional object — a spacetime block. In that view, nothing really “flows”. All events>
Type Ia supernovae are important for measuring the universe because they're bright enough to be seen across large distances and similar enough to be a reference, an an object of known luminosity - but astronomers still don't know what star systems make Type Ia supernovae.Two very different models might explain the>
Synthetic materials made from organic polymers, like polyurethane foams, usually burn very well due to their high carbon content. They not only burn easily; depending on their chemical composition they can produce toxic gases such as hydrogen cyanide or carbon monoxide. Upholstered furniture and mattresses commonly>
A gravity model of the Earth constructed with data from GRACE. Credit: University of Texas Center for Space Research and NASAIt is all about gravity these days. First came GRACE (Gravity Recovery and Climate Experiment) and then we'll have GOCE (Gravity field and steady-state Ocean Circulation Explorer). I'll reveal>
Spirit (Mars Exporation Rover-A, or MER-A), is the first of two rovers which are part of NASA's Mars Exploration Rover Mission. Today marks the 5-year anniversary of Spirit's successful landing on Mars. Of the hundreds of engineers and scientists who cheered at NASA's Jet Propulsion Laboratory in Pasadena, CA>
Two new studies can't prove a link between childhood cancer and light therapy for newborn jaundice but the authors say it still raises enough questions that clinicians should exercise caution in prescribing the treatment for infants whose jaundice is likely to resolve on its own, though that should not deter use of>
