Reference Terms
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Newton's cradle
Newton's cradle or Newton's balls, named after Sir Isaac Newton is a device that demonstrates conservation of momentum and energy.
Note: The above text is excerpted from the Wikipedia article "Newton's cradle", which has been released under the GNU Free Documentation License.
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Matter & Energy News
May 20, 2025
May 14, 2025 — A new study achieves unprecedented accuracy in modelling extreme cosmic events like black hole and neutron star collisions by calculating the fifth post-Minkowskian (5PM) order, crucial for interpreting gravitational wave data from current and ...
May 8, 2025 — In space, energetic neutrinos are usually paired with energetic gamma rays. Galaxy NGC 1068, however, emits strong neutrinos and weak gamma rays, which presents a puzzle for scientists to solve. A new paper posits that helium nuclei collide with ...
May 8, 2025 — A new study of the 28 most populous U.S. cities finds that all are sinking to one degree or another. The cities include not just those on the coasts, where relative sea level is a concern, but many in the interior. Furthermore, using newly granular ...
May 7, 2025 — Physicists captured the first images of individual atoms freely interacting in space. The pictures reveal correlations among the 'free-range' particles that until now were predicted but never directly ...
Latest Headlines
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May 20, 2025 — A team of researchers studied the properties of membranes to understand how these cellular structures influenced the chemistry of life on Earth as it ...
May 20, 2025 — Scientists have made a breakthrough in eco-friendly batteries that not only store more energy but could also help tackle greenhouse gas emissions. Lithium-CO2 'breathing' batteries release power ...
May 20, 2025 — The orbital angular momentum of electrons has long been considered a minor physical phenomenon, suppressed in most crystals and largely overlooked. Scientists have now discovered that in certain ...
May 20, 2025 — Imagine drawing on something as delicate as a living cell -- without damaging it. Researchers have made this groundbreaking discovery using an unexpected combination of tools: frozen ethanol, ...
May 20, 2025 — Photovoltaic systems are increasingly being installed not only on roofs but also on open land. This does not always meet with citizens' approval. What is known as agrivoltaics (Agri-PV), however, is ...
May 19, 2025 — The average energy project costs 40% more than expected for construction and takes almost two years longer than planned, finds a new global study. ...
May 19, 2025 — Although glasses exhibit disordered atomic structures, X-ray and neutron scattering reveal a subtle periodicity. Researchers have demonstrated that this hidden periodicity -- referred to as ...
May 19, 2025 — Researchers have developed a novel framework named WildFusion that fuses vision, vibration and touch to enable robots to 'sense' and navigate complex outdoor environments much like humans ...
May 19, 2025 — A research team has developed a novel haptic device designed to enhance both safety and efficiency for workers in industrial ...
May 19, 2025 — A team of chemists has made significant strides in the field of mechanically interlocked molecules (MIMs). Their work showcases the development of a compact catenane with tuneable mechanical ...