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Physicists study the nature of all matter and energy, including structures, behaviour, formation/generation and the interactions between the two. Physics can broadly be divided into theoretical physics and experimental physics. Theoretical physics involves developing models, or Future Growth Very Strong theories, which attempt to explain and predict how and why certain aspects of the world work and behave. Experimental physics involves testing these theories, determining their limits and using the results to amend or strengthen the theory as appropriate. All physicists will generally work in both of these areas to some degree. Physicists working at universities will also be required to spend time teaching students.



ANZSCO ID & Description: 234914: Studies matter, space, time, energy, forces and fields and the interrelationship between these physical phenomena to further understanding of the laws governing the behaviour of the universe, and seeks to apply these laws to solve practical problems and discover new information about the earth and the universe.  

Alternative names: Physical Scientist

Specialisations:

Atomic Physicist Nuclear Physicist
Atomic, molecular, and optical physicist Optical Physicist
Biophysicist [see below], Particle and nuclear physicist
Condensed matter and materials physicist
Particle physicist
Condensed matter physicist
Petrophysicist  [see below]

Fluid dynamicist

Plasma physicist
Health Physicist Quantum Physicist
(Life on the Job: Michelle Simmons)
Mathematical physicist Research physicist
Medical Physicist Rheologist
Molecular physicist Thermodynamic physicist
Nanotechnologist Thermodynamicist

 

 

Famous Physicists
(Source: Curiosity)

Knowledge, skills and attributes

A physicist needs:

  • the ability to make accurate and detailed observations

  • a methodical and analytical approach to work

  • strong communication skills

  • the ability to think clearly and logically

  • good problem solving skills

  • patience 

Did You Know?

Aussie physicist helps build ‘time machine’ to visit Big Bang
 

Vanessa Croll
The Daily Telegraph
May 5, 2020
Reprinted in "
Perth Now"

Dr Sarah Pearce
Dr Sarah Pearce

Pioneering and internationally recognised physicist and 2020 Telstra NSW Business Woman of the Year Dr. Sarah Pearce is helping to build a new generation radio telescope to discover galactic secrets.

The Square Kilometre Array (SKA) – a new generation in radio telescope – will look back in time some 13 billion years to see the beginning of the universe.

With one site in Australia and one in South Africa, CSIRO Astronomy and Space Science deputy director Sarah Pearce hopes the SKA will help answer some of life’s biggest questions.

“SKA in Australia will look back in time toward not long after the Big Bang and hopefully, for the first time we will see when the very first galaxy started to shine, this is called the Cosmic Dawn Period,” Dr Pearce said.

“That helps you understand how galaxies are born, how they evolve and how they eventually die. There isn’t a telescope that has been able to take images of this yet.”


Dr Pearce – a pioneering and internationally recognised physicist and 2020 Telstra NSW Business Woman of the Year – has been working with international cohorts on this project for nine years.

“It’s important we understand where we came from and where we’re going,” she said. “People are fascinated by the stars and the Big Bang and our wider purpose in the universe.

“But this kind of research can have practical implications. The Wi-Fi we use was created with some of the algorithms used first by the CSIRO when they were trying to look at black holes.

“The SKA has enormous data rates and it will produce petabytes of data. How we learn to deal with that will help us learn how to deal with storing data in both science fields and industry.”

SKA
An artist’s impression of the future Square Kilometre Array (SKA) in Australia.

The radio telescope to be built in Australia is called SKA-low and will be made up of 130,000 radio antenna that will look like 2m-high metal Christmas trees spread over 65km of desert in Western Australia. It will start conducting science observations mid-2020s with a partial array.

“The reason we’re in the desert in WA is because what we are looking for are extremely faint whispers,” Dr Pearce said.

“You can’t find them if you’re near a lot of people using phones, microwaves, radios.”

Telstra Business Women’s Awards ambassador Alex Badenoch said while Dr Pearce was the group’s 2020 NSW Business Woman, she was also awarded the Public Sector and Academia Award.

“We commend [Dr] Pearce for her innovative space programs that have significant global impact,” Ms Badenoch said. She is committed to collaboration, and instead of being out to win, she is dedicated to ensuring she and her team produce the best work possible.”
(Source: Perth Now)

 

Duties and Tasks

Physicists are usually identified within three broad roles:

  • theoretical physicists, who develop theories or models of how particular aspects of the world work

  • experimental physicists, who test these theories, determining their limits and suggesting new approaches to them

  • applied physicists, who apply these findings in practical settings, such as within industry and through the introduction of new technology.

There is interaction between all three roles and physicists generally have skills in each of these areas.

Physicists may perform the following tasks:

  • observe and measure phenomena in the physical world, from the smallest subatomic particle through to the universe as a whole

  • propose theories and models to explain phenomena

  • use computers to explore the consequences of theories and models

  • build equipment to make new types of measurements, which in many cases have never been attempted before

  • create new ways of understanding observations that have been made

  • develop new materials, products and processes for use in industry, medicine, defence and other areas of research and development

 

Working Conditions

Physicists usually work in laboratories, offices or workshops, though some may also carry out fieldwork in various environments, depending on the nature of their research. Many physicists work in universities, where they split their time between teaching and research work, however there are also opportunities to work in government organisations or private industry. They may work with radioactive substances and other restricted and/or potentially harmful materials, which require strict safety and control procedures to be followed to minimise danger. Physicists usually work standard business hours, however overtime or weekend work may be required when setting up and carrying out experiments or when conducting fieldwork. 

Tools and technologies

Physicists use a variety of highly specialised instruments and laboratory equipment to conduct, record and analyse experiments. Depending on the nature of the experiment, this equipment may be used to heat or cool materials to extreme temperatures, generate and measure electrical currents, examine the atomic structure of matter, and carry out many other highly technical and specialised tasks. They must also be familiar with computers to control equipment, run simulations and to write reports based on their findings. 


Educational Requirements
To become a physicist you usually need to study a degree in science with major in physics or nanotechnology. To improve your employment prospects, you may need to complete further postgraduate study.

Did You Know?

There have been two Australians who have been awarded a Nobel Prize for Physics:


2011 Brian P. Schmidt

"for the discovery of the accelerating expansion of the Universe through observations of distant supernovae"

Prof Brian Schmidt


1964 Alexander M. Prokhorov
[born in Australia but went back to Russia with his parents when he was 7]

"for fundamental work in the field of quantum electronics, which has led to the construction of oscillators and amplifiers based on the maser-laser principle" shared with Charles H. Townes and Nicolay G. Basov.

(Source: Wikipedia)


Professor Alexander Prokhorov: Meet Australia's forgotten Nobel Prize winner - CAMEO
By national science reporter Jake Sturmer
Wednesday 3 August 2016
ABC News

11 July 1916 - 8 January 2002


Alex Prokhorov
Alexander Prokhorov who pioneered the laser is also a Nobel Prize winner. (Supplied: Alex Prokhorov)

Meet Alexander Prokhorov: the Australian-born co-inventor of the laser and Nobel Prize winner you have probably never heard of.

But that could be all about to change as top scientists and former federal science minister Barry Jones push to have him more widely recognised in Australia.
 
His discovery has helped transform almost everything we rely upon: from surgery to the internet.
 
While he is a celebrated scientific hero in Russia, his formative years were actually spent in far north Queensland.
  
In the year of what would have been his 100th birthday, Australian scientists want us to know all about him, celebrate him and even recognise him with a stamp in his honour.


Australia's 'little Siberia'

His family



Professor Prokhorov's family fled to Australia as refugees from Tsarist Russia in 1912, eventually settling in what was known as "little Siberia" — a Russian colony in the Atherton Tablelands.
  
On July 11, 1916, Alexander Prokhorov was born in Butcher's Creek, where he spent the first six years of his life.
  
At the tiny local school, the few records available show he had a very rural upbringing and "was a talented little kid", according to Australian National University physicist Hans-Albert Brochor.
  
His grandson, also named Alexander, told the ABC his grandfather told him about the "very nice butterflies, jungles... and warm climate".
  
"He got lost in the jungles once and all the village had to look for him," grandson Alex said.
  
Fond memories of a 'magical' upbringing



Young Man

Former Australian Science Minister (1983-1990) Dr. Barry Jones, who visited Professor Prokhorov on a trip to Russia, said the scientist had a very fond memory of Australia.
  
"He had a very vivid and very affectionate view of Australia and the openness and the colours and the trees and the magical environment he lived in," Dr Jones said.
  
Professor Prokhorov's family returned to Russia in 1923 after the Russian Revolution, where he finished his high school studies and went on to study radio waves.
  
After serving with the Russian army in World War II and being wounded twice he returned to study physics at the Soviet Union's Institute of Atomic Energy where he developed the technologies that made the laser possible.
  
He became a member of the Communist Party in 1950 and according to Professor Bachor, Professor Prokhorov was actually trying to develop a "death ray" while at the institute.
  

Death ray race led to laser revolution


Being honoured


In 1964, the Nobel Prize was jointly awarded to Professor Prokhorov, his Russian colleague Nikolay Basov and also American Charles Townes — who was independently working on the same research.
  
"Albert Einstein in Germany published papers that [proposed] a way to amplify light in a machine... but for 40 years nobody could build such a machine," Professor Bachor said.
  
"[Professor Prokhorov] was one of these people who had the right idea and that was basically to put your amplifier between two mirrors and bounce the light forwards and backwards many times so it got stronger every time it went through the amplifier."
  
Professor Bachor said the research was part of a wider military project during the Cold War.
  
"Both countries were trying everything ... lasers at the time were thought of as death rays as you see them in Star Wars," he said.
   
"The death rays were the initial program and then people came up very rapidly with all sorts of ideas of what you could do — so you could cut a hole and cutting a hole is very useful for cutting metal, or welding a car or for surgery."
  
Lasers enabled the creation of a whole range of devices — from DVD players, barcode scanners, 3D printers and even optical fibre cables (the ones that provide superfast internet).

Older man

Professor Prokhorov died in 2002 from pneumonia.


In an interview with Professor Prokhorov obtained by Russian historian Elena Govor, he pondered whether he would have won a Nobel Prize if he had been born in a different place.
 
"This question cannot be answered unequivocally — however, being born in Australia to some extent predetermined by the fact that I won the Nobel Prize," he said according to a translation of the interview.
  
"If I'd been born in a different place, my whole life would be different.
  
"When I met with scientists from Australia at international conferences, they are warmly welcomed me, and we have a mutual sympathy and warm feelings of friendship.
"


Family viewed with suspicion by Australian authorities
 
The warmth did not extend to Australian authorities — intelligence records show they were monitoring his father Michael's [Mikhail] letters while they lived in Australia.
  
One of the friends Michael Prokhorov wrote to, Alexander Zuzenko, was a radical who published a Russian newspaper called Knowledge and Unity in Brisbane, according to Dr Gorov.
  

Mr Zuzenko was later deported back to Russia.

Dr Gorov discovered some of the intelligence reports buried in the National Library of Australia.
  
In one letter, authorities observe a Russian library has been re-established in South Brisbane, "which may possibly form a sort of club room where the malcontents can discuss their propaganda".
  
"It is noticeable that rarely is a Russian letter scrutinised in which the revolutionary spirit is not aggressively displayed," censor's notes from another letter show.
  
"The conclusion to be arrived at is that if there are law abiding Russians in Australia they don't write letters."

Intelligence Report


'Put him on a stamp': Jones
  

Dr Jones worked to have Professor Prokhorov's Australian-connection acknowledged, ensuring a permanent reminder of his work at CSIRO's labs in Atherton in 1987s.
"We decided to commemorate him by putting a commemorative plaque which was inserted on a rock and I went up with CSIRO and various other scientific luminaries and we unveiled... up there at Atherton up in the glorious northern rainforest," he told the ABC.
  
"We could put him on a stamp maybe."
  

In 1996 the University of New South Wales made him an honorary professor — and his grandson would like to see a scholarship or conference named in his honour.
  
In the meantime, a group of physicists including Professor Bachor are putting on a show to educate school children about Professor Prokhorov's work and the history of lasers which they are putting on for National Science Week (13-21 August).
  
"We have a very interactive show we basically tell the story but in a way that the kids are familiar with we burst balloons, we show them some tricks with lasers — we have a very entertaining show but in the background they are going to learn a bit about the physics what is a laser how does it work," Professor Bachor said.


Both of Prokhorov's parents died during World War II.

Prokhorov married geographer Galina Shelepina in 1941, and they had a son, Kiril, born in 1945.

Following his father, Kiril Prokhorov became a physicist in the field of optics and is currently leading a laser-related laboratory at the A. M. Prokhorov General Physics Institute.



Nobel Prize.org
Biographical Information as of 1964



Aleksandr Mikhailovich Prokhorov was born on July 11th, 1916, in Australia. After the Great October Revolution he went in 1923 with his parents to the Soviet Union.

In 1934 Alexander Prochorov entered the Physics Department of the Leningrad State University. He attended lectures of Prof. V.A. Fock (quantum mechanics, theory of relativity), Prof. S.E. Frish (general physics, spectroscopy), and Prof. E.K.Gross (molecular physics). After graduating in 1939 he became a postgraduate student of the P.N. Lebedev Physical Institute in Moscow, in the laboratory of oscillations headed by Academician N.D. Papaleksi. There he started to study the problems of propagation of radio waves. In June 1941, he was mobilized in the Red Army. He took part in the Second World War and was wounded twice. After his second injury in 1944, he was demobilized and went back to the laboratory of oscillations of the P.N. Lebedev Physical Institute. There he began to investigate nonlinear oscillations under the guidance of Prof. S.M. Rytov.

Stamp
A 2016 Russian stamp in honour of Alexander Prokhorov's birth in 1916 [in Australia!]

In 1946 he defended his thesis on the theme Theory of Stabilization of Frequency of a Tube Oscillator in the Theory of a Small Parameter.

Starting in 1947, upon the suggestion of Academician V.I. Veksler, Prochorov carried out a study of the coherent radiation of electrons in the synchotron in the region of centimetre waves. As a result of these investigations he wrote and defended in 1951 his Ph.D. thesis a “Coherent Radiation of Electrons in the Synchotron Accelerator”.

After the death of Academician I.D. Papaleksi in 1946, the laboratory of oscillations was headed by Academician M.A. Leontovich. Starting from 1950 being assistant chief of the laboratory, Prochorov began to investigate on a wide scale the question of radiospectroscopy and, somewhat later, of quantum electronics. He organized a group of young scientists interested in the subjects.

In 1954, when Academician M.A. Leontovich started to work in the Institute of Atomic Energy, Prochorov became head of the laboratory of oscillations, which position he still holds. In 1959 the laboratory of radio astronomy headed by Prof. V.V. Vitkevitch) was organized from one of the departments of the laboratory of oscillations, and in 1962 another department was separated as the laboratory of quantum radiophysics (headed by Prof. N.G. Basov).


Nobel Prize Dinner
Prokhorov with King Gustaf VI Adolf and wife of American Charles Townes at the Nobel Prize banquet in 1964

Academician D.V. Skobeltzyn, director of the Institute, and Academician M.A. Leontovich as well, rendered great assistance in the development of the research on radiospectroscopy and quantum electronics. The investigations carried out by Basov and Prochorov in the field of microwave spectroscopy resulted in the idea of a molecular oscillator. They developed theoretical grounds for creation of a molecular oscillator and also constructed a molecular oscillator operating on ammonia. In 1955, Basov and Prochorov proposed a method for the production of a negative absorption which was called the pumping method.

From 1950 to 1955, Prochorov and his collaborators carried out research on molecular structures by the methods of microwave spectroscopy.

In 1955 Professor Prochorov began to develop the research on electronic paramagnetic resonance (EPR). A cycle of investigations of EPR spectra and relaxation times in various crystals was carried out, in particular investigations on ions of the iron group elements in the lattice of Al2O3.

In 1955, Prochorov studied with A.A. Manenkov the EPR spectra of ruby that made it possible to suggest it as a material for lasers in 1957. They designed and constructed masers using various materials and studied characteristics of the masers as well. This research was done in cooperation with the laboratory of radiospectroscopy of the Institute of Nuclear Physics of the Moscow University; this laboratory was organized by Prochorov in 1957. One of the masers constructed for a wavelength of 21 cm is used in the investigations of the radioastronomical station of the Physical Institute in Pushino.

The EPR methods were also utilized for the study of free radicals. In particular, the transition of a free radical of DPPH from a paramagnetic state into an antiferromagnetic state at 0.3K was observed.

In 1958 Prochorov suggested a laser for generation of far-infrared waves. As a resonator it was proposed to use a new type of cavity which was later called “the cavity of an open type”. Practically speaking, it is Fabri-Pero’s interferometer. Similar cavities are widely used in lasers.

At present Prochorov’s principal scientific interests lie in the field of solid lasers and their utilization for physical purposes, in particular for studies of multiquantum processes. In 1963, he suggested together with A.S. Selivanenko, a laser using two-quantum transitions.

Alexander Prochorov is Professor at the Moscow State University and Vice-President of URSI.

He married in I941; his wife, G.A. Shelepina, is a geographer. They have one son.


Laser Physics Workshop - Special Tribute

Professor Alexander Prokhorov

In 1959, Prokhorov became a professor of physics at Moscow State University – the most prestigious university in the Soviet Union. The same year, he was awarded the Lenin Prize. In 1960, he became a corresponding member of the Russian Academy of Sciences and, in 1966, he was elected to a full membership rank at Academy.

In 1967, he was awarded his first Order of Lenin. He received five of those highest awards during his life in 1967, 1969, 1975, 1981 and 1986. In 1968, he became vice-director of the Lebedev Institute and in 1971 took a position of Head of Laboratory of another prestigious Soviet institution of higher education, the Moscow Institute of Physics and Technology.

In the same year, he was elected a member of the American Academy of Arts and Sciences. Between 1982 and 1998, Prof. Prokhorov served as acting director of the General Physics Institute at the Russian Academy of Sciences, and after 1998 as its honorary director.

In 1992 Professor Alexander M Prokhorov, was a principal founder of the annual International Laser Physics Workshop (LPHYS'). During the following ten years he served as the conference permanent Chairman until his death in 2002.

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