Physics (from Ancient Greek: φυσική (ἐπιστήμη) phusikḗ (epistḗmē) "knowledge of nature", from φύσις phúsis "nature") is the natural science that involves the study of matter and its mot...
Physics - Wikipedia
Quantum computing’s also-rans and their fatal flaws
When it comes to performance, engineering matters more than physics.
Long-Sought Dark Matter 'Particle' Found in Exotic Material on Earth
It was predicted four decades ago, but only found now.
Physicists Can Finally Peek at Schrödinger's Cat Without Killing It Forever
There may be a way of sneaking a peak at Schrödinger's cat — the famous feline-based thought experiment that describes the mysterious behavior of subatomic particles — without permanently killing the ...
‘Ghost apples’ discovered amid extreme cold
Dubbed the ‘ghost apple,’ these formations hanging from tree branches at an orchard in Kent County, Michigan, are completely devoid of the fruit’s flesh
Coating operation of an 8 meter telescope mirror at Paranal
Timelapse movie that shows the full mirror coating sequence of a large telescope mirror at ESO's Very Large Telescope on Cerro Paranal in Chile. The movie compresses an 8 day operation into 12 minutes...
The Last Ice Merchant Harvesting Glaciers
For more than 50 years, Baltazar Ushca Tenesaca has been ascending Ecuador's tallest mountain to harvest glacial ice. At one time, there were 40 or so ice merchants who made the daily trek up the acti...
Quantum gold rush: the private funding pouring into quantum start-ups
A Nature analysis explores the investors betting on quantum technology. The science is immature and a multi-purpose quantum computer doesn’t yet exist. But that isn’t stopping investors pouring cash ...
2,000 Atoms Exist in Two Places at Once in Unprecedented Quantum Experiment
The new experiment demonstrated a bizarre quantum effect from the double-slit experiment at an unprecedented scale.
Man Speaks Out After Close Call With Lightning Strike
Video captures the moment when Romulus McNeill stepped outside during a storm, when a flash of lighting struck so close by that he dropped his umbrella before getting out of there. “I feel like I am b...
A quantum experiment suggests there’s no such thing as objective reality - MIT Technology Review
Physicists have long suspected that quantum mechanics allows two observers to experience different, conflicting realities. Now they’ve performed the first experiment that proves it.
First image of Quantum Entanglement | Einstein's 'spooky' particle action
Quantum entanglement is a physical phenomenon that occurs when pairs or groups of particles are generated, interact, or share spatial proximity in ways such that the quantum state of each particle can...
An experiment hints at quantum entanglement inside protons
Particles inside protons seem to be linked on a scale smaller than a trillionth of a millimeter.
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History of physics
Physics (from the Ancient Greek φύσις physis meaning "nature") is the fundamental branch of science that developed out of the study of nature and philosophy known, until around the end of the 19th cen...
History of physics - Wikipedia
Physical quantity
A physical quantity (or "physical magnitude") is a physical property of a phenomenon, body, or substance, that can be quantified by measurement.
An extensive quantity is equal to the sum of that q...
Physical quantity - Wikipedia
Physical properties
A physical property is any property that is measurable whose value describes a state of a physical system. The changes in the physical properties of a system can be used to describe its transformation...
Physical phenomena
A phenomenon (Greek: φαινόμενoν, phainomenon, from the verb φαίνειν, phainein, "to show, shine, appear, to be manifest (or manifest itself)"), plural phenomena, is any observable occurrence. Phenomena...
Physical phenomena - Wikipedia
Atomic, molecular, and optical physics
Atomic, molecular, and optical physics (AMO) is the study of matter-matter and light-matter interactions; at the scale of one or a few atoms and energy scales around several electron volts. The thre...
Atomic, molecular, and optical physics - Wikipedia
Classical mechanics
In physics, classical mechanics and quantum mechanics are the two major sub-fields of mechanics. Classical mechanics is concerned with the set of physical laws describing the motion of bodies under th...
Classical mechanics - Wikipedia
Condensed matter physics
Condensed matter physics is a branch of physics that deals with the physical properties of condensed phases of matter. Condensed matter physicists seek to understand the behavior of these phases by us...
Condensed matter physics - Wikipedia
Mesoscopic physics
Mesoscopic physics is a sub-discipline of condensed matter physics which deals with materials of an intermediate length scale. The scale of such materials can be described as being between the size o...
Physical cosmology
Physical cosmology is the study of the largest-scale structures and dynamics of the Universe and is concerned with fundamental questions about its origin, structure, evolution, and ultimate fate. For ...
Theory of relativity
The theory of relativity, or simply relativity in physics, usually encompasses two theories by Albert Einstein: special relativity and general relativity.Concepts introduced by the theories of relati...
A laser is a device that emits light through a process of optical amplification based on the stimulated emission of electromagnetic radiation. The term "laser" originated as an acronym for "light ampl...
Laser - Wikipedia