John Hartnett (physicist)
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John G. Hartnett (born 24 March 1953 in Manjimup, Western Australia), is an Australian
young Earth creationist Young Earth creationism (YEC) is a form of creationism which holds as a central tenet that the Earth and its lifeforms were created by supernatural acts of the Abrahamic God between approximately 6,000 and 10,000 years ago. In its most widesp ...
and
cosmologist Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', and in 1731 taken up in Latin by German philosopher ...
. He has been active with
Creation Ministries International Creation Ministries International (CMI) is a non-profit organisation that promotes the pseudoscience of young earth creationism. It has branches in Australia, Canada, New Zealand, Singapore, South Africa, the United Kingdom and the United Stat ...
and is known for his opposition to the Big Bang theory and criticism of the
dark matter Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. Dark matter is called "dark" because it does not appear to interact with the electromagnetic field, which means it does not a ...
and
dark energy In physical cosmology and astronomy, dark energy is an unknown form of energy that affects the universe on the largest scales. The first observational evidence for its existence came from measurements of supernovas, which showed that the univ ...
hypotheses. He received both his BSc (Hons) (1973) and PhD with distinction (2001) from the School of Physics at the
University of Western Australia The University of Western Australia (UWA) is a public research university in the Australian state of Western Australia. The university's main campus is in Perth, the state capital, with a secondary campus in Albany and various other facilitie ...
(UWA). He currently works as a Research Fellow at the
University of Adelaide The University of Adelaide (informally Adelaide University) is a public research university located in Adelaide, South Australia. Established in 1874, it is the third-oldest university in Australia. The university's main campus is located on N ...
, South Australia. He has published more than 200 papers in scientific journals, book chapters and conference proceedings, holds one patent, works on the development of ultra-stable cryocooled sapphire oscillators and participated on a Sapphire Clock Ensemble project (
Atomic Clock An atomic clock is a clock that measures time by monitoring the resonant frequency of atoms. It is based on atoms having different energy levels. Electron states in an atom are associated with different energy levels, and in transitions betwe ...
Ensemble in
Space Mission Spaceflight (or space flight) is an application of astronautics to fly spacecraft into or through outer space, either with or without humans on board. Most spaceflight is uncrewed and conducted mainly with spacecraft such as satellites in o ...
) run by the European Space Agency. He also has written articles for several creationist journals and, according to
Creation Ministries International Creation Ministries International (CMI) is a non-profit organisation that promotes the pseudoscience of young earth creationism. It has branches in Australia, Canada, New Zealand, Singapore, South Africa, the United Kingdom and the United Stat ...
, Hartnett "believes that God is the real creator of the universe as the Bible says."


Research interests

His research interests include ultra low-noise radar and ultra high stability cryogenic microwave oscillators and clocks based on a pure single-crystal
sapphire Sapphire is a precious gemstone, a variety of the mineral corundum, consisting of aluminium oxide () with trace amounts of elements such as iron, titanium, chromium, vanadium, or magnesium. The name sapphire is derived via the Latin "sa ...
resonator A resonator is a device or system that exhibits resonance or resonant behavior. That is, it naturally oscillates with greater amplitude at some frequencies, called resonant frequencies, than at other frequencies. The oscillations in a resonator ...
s. Applications for the latter are to provide low noise
local oscillator In electronics, a local oscillator (LO) is an electronic oscillator used with a mixer to change the frequency of a signal. This frequency conversion process, also called heterodyning, produces the sum and difference frequencies from the frequenc ...
s to atomic physics labs, time and frequency atomic fountain standards, and very high frequency
VLBI Very-long-baseline interferometry (VLBI) is a type of astronomical interferometry used in radio astronomy. In VLBI a signal from an astronomical radio source, such as a quasar, is collected at multiple radio telescopes on Earth or in space. T ...
(Very-Long-Baseline-Interferometry) radio-astronomy. The terrestrial clock technology co-developed by him is claimed to be the most stable in the universe, with Hartnett et al. stating that it outperformed the stability of signals generated by pulsars (rotating
neutron stars A neutron star is the collapsed core of a massive supergiant star, which had a total mass of between 10 and 25 solar masses, possibly more if the star was especially metal-rich. Except for black holes and some hypothetical objects (e.g. white ...
that produce highly periodic bursts of radio waves; such astronomical sources are then used as natural clocks e.g. for tests of physics). Further on, he is interested in the development of cryocooled CSO
resonators A resonator is a device or system that exhibits resonance or resonant behavior. That is, it naturally oscillates with greater amplitude at some frequencies, called resonant frequencies, than at other frequencies. The oscillations in a resonator ...
, detection of WISPs using low noise microwave techniques, tests of the fundamental theories of physics, such as
special Special or specials may refer to: Policing * Specials, Ulster Special Constabulary, the Northern Ireland police force * Specials, Special Constable, an auxiliary, volunteer, or temporary; police worker or police officer Literature * ''Specia ...
and
general relativity General relativity, also known as the general theory of relativity and Einstein's theory of gravity, is the geometric theory of gravitation published by Albert Einstein in 1915 and is the current description of gravitation in modern physics ...
, measurement of drift in fundamental constants and their
cosmological Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', and in 1731 taken up in Latin by German philosopher ...
implications and
cosmology Cosmology () is a branch of physics and metaphysics dealing with the nature of the universe. The term ''cosmology'' was first used in English in 1656 in Thomas Blount's ''Glossographia'', and in 1731 taken up in Latin by German philosopher ...
and the large scale structure of the universe. He is also part of a team of scientists who are building liquid helium-cooled oscillators used by sapphire clocks for the National Metrology Institute of Japan in Tsukuba, Japan. According to
Moshe Carmeli Moshe Carmeli ( he, משה כרמלי, links=no, 1933–2007) was the Albert Einstein Professor of Theoretical Physics, Ben Gurion University (BGU), Beer Sheva, Israel and President of the Israel Physical Society. He received his Doctor of ...
, Professor of Theoretical Physics at Ben Gurion University in Beer Sheva, Israel, Hartnett asserted in his theory that there is no need to assume the existence of
dark matter Dark matter is a hypothetical form of matter thought to account for approximately 85% of the matter in the universe. Dark matter is called "dark" because it does not appear to interact with the electromagnetic field, which means it does not a ...
in the universe.


Publications

John Hartnett is the author of the book ''"Starlight, Time and the New Physics"'' (2007). and co-author of the book ''"Dismantling the Big Bang"''. * * * * * * * * *


Patents

*P1 "Temperature Compensated Oscillator"; US Patent Number 7,046,099, issued 16 May 2006. Obtained from US patent search.


See also

*
Russell Humphreys David Russell Humphreys is an American physicist who advocates for young Earth creationism. He holds a PhD in physics and has proposed a theory for the origin of the universe which allegedly resolves the distant starlight problem that exists in ...
, an American physicist and creationist author.


References


Bibliography

* * * (46 search results for "Hartnett") * "David Kaiser is a professor...at the Massachusetts Institute of Technology... His physics research focuses on early-universe cosmology..." {{DEFAULTSORT:Hartnett, John (physicist) 1952 births Living people Australian Christians Australian physicists Christian writers Christian Young Earth creationists Cosmologists People from Manjimup, Western Australia Academic staff of the University of Adelaide University of Western Australia alumni