He attempted to explain ideas such as motion (and gravity ) with the theory of four elements .
Applied physics is a general term for physics research which is intended for a particular use.  Over much of the past two millennia, physics, chemistry, biology, and certain branches of mathematics were a part of natural philosophy, but during the Scientific Revolution in the 17th century these natural sciences emerged as unique research endeavors in their own right. These theories continue to be areas of active research today.  Egyptian astronomers left monuments showing knowledge of the constellations and the motions of the celestial bodies, while Greek poet Homer wrote of various celestial objects in his Iliad and Odyssey; later Greek astronomers provided names, which are still used today, for most constellations visible from the Northern Hemisphere. Therefore, physics is sometimes called the "fundamental science". , Astrophysics and astronomy are the application of the theories and methods of physics to the study of stellar structure, stellar evolution, the origin of the Solar System, and related problems of cosmology. Experimental physics expands, and is expanded by, engineering and technology.  The problems in this field start with a "mathematical model of a physical situation" (system) and a "mathematical description of a physical law" that will be applied to that system. By using a methodical approach to compare the implications of a theory with the conclusions drawn from its related experiments and observations, physicists are better able to test the validity of a theory in a logical, unbiased, and repeatable way. Its methods are mathematical, but its subject is physical. These central theories are important tools for research into more specialised topics, and any physicist, regardless of their specialisation, is expected to be literate in them. The seven-volume Book of Optics (Kitab al-Manathir) hugely influenced thinking across disciplines from the theory of visual perception to the nature of perspective in medieval art, in both the East and the West, for more than 600 years. , Natural philosophy has its origins in Greece during the Archaic period (650 BCE – 480 BCE), when pre-Socratic philosophers like Thales rejected non-naturalistic explanations for natural phenomena and proclaimed that every event had a natural cause. It was a step toward the modern ideas of inertia and momentum..  Black-body radiation provided another problem for classical physics, which was corrected when Planck proposed that the excitation of material oscillators is possible only in discrete steps proportional to their frequency; this, along with the photoelectric effect and a complete theory predicting discrete energy levels of electron orbitals, led to the theory of quantum mechanics taking over from classical physics at very small scales.. Atomic, molecular, and optical physics (AMO) is the study of matter–matter and light–matter interactions on the scale of single atoms and molecules.  Fermi will search for evidence that dark matter is composed of weakly interacting massive particles, complementing similar experiments with the Large Hadron Collider and other underground detectors. It has strongly influenced the way we think and the way we lead our lives. Given below is a list of discoveries that includes 17 famous scientists and their discoveries. Physics is one of the oldest academic disciplines and, through its inclusion of astronomy, perhaps the oldest. Classical mechanics is concerned with bodies acted on by forces and bodies in motion and may be divided into statics (study of the forces on a body or bodies not subject to an acceleration), kinematics (study of motion without regard to its causes), and dynamics (study of motion and the forces that affect it); mechanics may also be divided into solid mechanics and fluid mechanics (known together as continuum mechanics), the latter include such branches as hydrostatics, hydrodynamics, aerodynamics, and pneumatics. [i], These complex phenomena have received growing attention since the 1970s for several reasons, including the availability of modern mathematical methods and computers, which enabled complex systems to be modeled in new ways. For instance, people working on accelerator physics might seek to build better particle detectors for research in theoretical physics. The Big Bang model rests on two theoretical pillars: Albert Einstein's general relativity and the cosmological principle.  Physics aims to describe the various phenomena that occur in nature in terms of simpler phenomena. , A scientific law is a concise verbal or mathematical statement of a relation that expresses a fundamental principle of some theory, such as Newton's law of universal gravitation.  This was also first studied rigorously in the 17th century and came to be called electricity. According to me PHYSICS EARLIER WAS CALLED ARISTOTELIAN PHYSICS. The distinction is clear-cut, but not always obvious. Not by a single person but who lived in Greek. Classical mechanics approximates nature as continuous, while quantum theory is concerned with the discrete nature of many phenomena at the atomic and subatomic level and with the complementary aspects of particles and waves in the description of such phenomena. Every mathematical statement used for solving has a hard-to-find physical meaning.  The term condensed matter physics was apparently coined by Philip Anderson when he renamed his research group—previously solid-state theory—in 1967. I am an old man now, and when I die and go to heaven there are two matters on which I hope for enlightenment.
He asserted that the light ray is focused, but the actual explanation of how light projected to the back of the eye had to wait until 1604.  Newton also developed calculus,[d] the mathematical study of change, which provided new mathematical methods for solving physical problems.. PLEASE MARK IT BRAINLIEST IF IT HELPS Theoretical attempts to unify quantum mechanics and general relativity into a single theory of quantum gravity, a program ongoing for over half a century, have not yet been decisively resolved.
Classical physics includes the traditional branches and topics that were recognised and well-developed before the beginning of the 20th century—classical mechanics, acoustics, optics, thermodynamics, and electromagnetism. Complex problems that seem like they could be solved by a clever application of dynamics and mechanics remain unsolved; examples include the formation of sandpiles, nodes in trickling water, the shape of water droplets, mechanisms of surface tension catastrophes, and self-sorting in shaken heterogeneous collections. Foremost among these are indications that neutrinos have non-zero mass. Physics is also called "the fundamental science" because all branches of natural science like chemistry, astronomy, geology, and biology are constrained by laws of physics.  The mathematical physicist Roger Penrose had been called a Platonist by Stephen Hawking, a view Penrose discusses in his book, The Road to Reality. Numerous possibilities and discoveries are anticipated to emerge from new data from the Fermi Gamma-ray Space Telescope over the upcoming decade and vastly revise or clarify existing models of the universe. Later, quantum field theory unified quantum mechanics and special relativity. Calculate the electric current1) 60uA 2) 120uA 3) 180uA 4) 200uA, Calculate the molecular masses of any 10 molecules?, (a)Give one word answers.1.What is the latest version of Windows 8?2.Is there Start button on Windows 8 desktop?3.What is necessary to view Windows 8 New ideas in physics often explain the fundamental mechanisms studied by other sciences and suggest new avenues of research in academic disciplines such as mathematics and philosophy. However, further work in the 19th century revealed that these two forces were just two different aspects of one force—electromagnetism. Theorists invoke these ideas in hopes of solving particular problems with existing theories; they then explore the consequences of these ideas and work toward making testable predictions.
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