Search results for second law of motion

Environment Dec 19, 2023

Grenfell should have been a wake-up call—but the UK still doesn't take fire safety seriously

In March 2023, a fire in Tower Hamlets, east London, claimed the life of Mizanur Rahman, a 41-year-old father-of-two from Bangladesh. Five fire engines and 35 firefighters attended the call to the two-bedroom flat in Maddocks ...

Space Exploration Nov 2, 2023

Scientists describe deployment of three-body chain-type tethered satellites in low-eccentricity orbits

Recently, the tethered satellite system (TSS) has been used in Earth observations, space interferometry and other space missions, due to its potential merits. The tethered TSAR (tomographic synthetic aperture radar) system ...

Quantum Physics Oct 17, 2023

Thought experiments and conservation laws: Reevaluating quantum conservation principles

Conservation laws are central to our understanding of the universe, and now scientists have expanded our understanding of these laws in quantum mechanics.

Nanophysics Sep 28, 2023

Using Einstein's tea leaf paradox to study nanofluids

Stirring can allow the dispersion of substances evenly in liquid. Einstein's tea leaf paradox is a concept that shows how tea leaves can concentrate in a doughnut shape through a secondary flow effect during stirring. In ...

Cell & Microbiology Sep 21, 2023

From forming embryo to cancer metastasis: The significance of collective cell movement

Against all expectations, the most common tissue in our bodies behaves differently at different length scales. That's what physicist Luca Giomi discovered in his research into the flow of cells. "Our findings are even more ...

Optics & Photonics Sep 15, 2023

Synergy of traditional techniques and deep learning enables single-frame high-precision fringe pattern analysis

Optical metrology, as a general-purpose metrology technique that uses light as information carriers for non-contact and non-destructive measurement, is fundamental to manufacturing, basic research, and engineering applications.

Nanomaterials Aug 18, 2023

Scientists design novel nonlinear circuit to harvest clean power using graphene

Obtaining useful work from random fluctuations in a system at thermal equilibrium has long been considered impossible. In fact, in the 1960s eminent American physicist Richard Feynman effectively shut down further inquiry ...

Astronomy Aug 8, 2023

Smoking-gun evidence for modified gravity at low acceleration from Gaia observations of wide binary stars

A new study reports conclusive evidence for the breakdown of standard gravity in the low acceleration limit from a verifiable analysis of the orbital motions of long-period, widely separated, binary stars, usually referred ...

General Physics Jul 13, 2023

Extreme measuring device can bring quantum technology to your smartphone

University of Copenhagen researchers have invented a "quantum drum" that can measure pressure, a gas leak, heat, magnetism and a host of other things with extreme precision. It can even scan the shape of a single virus. The ...

Molecular & Computational biology Jun 19, 2023

Scientists use supercomputer to detail HIV protein mechanism crucial for drug development

Every disease has a protein basis.

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