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- Universe is not a fluctuation
- How to implement random article pointer in JavaScript
- Ignoring Agency is Ignorance
- Machine Learning Interview Questions
- Large refugee waves to Anatolia in recent centuries
- Happy to learn Maldacena’s thoughts on the relationship between vacuum fluctuations and spacetime stretching
- Theoretical value of muon g-2 updated
- What percentage of scientists are atheists?
- The non-gauge nature of the newly discovered forces
- Concept of Gauge Invariance
- Stephen Wolfram’s Theory of Everything
- Few Research Directions in Systems Neuroscience
- Guest Post by Richard Gauthier on Particle Physics Beyond the Standard Model
- Notes (May 2020)
- Reading CERN Courier (1)
- Howard H. Pattee and the Physics of Symbols
- Neutrinos and Antineutrinos Change Flavors at Different Rates
- Quantum Mechanics, Probability, Covid-19 Analogy
- No useful theory of biological neural computation yet
- Interesting anecdote about Roger Penrose as told by Carlo Rovelli
- On the transformation of neutrino into electron
- Conservation Laws of Particle Interactions
- How to create antiprotons
- Free Book Commemorating the 25’th Anniversary of the Simons Foundation
- 2020 update on the location of the magnetic north pole
- My obsession with the pageview count
- Brookhaven Electron-Ion Collider
- Dark Energy Controversies
- Useful metaphysics
- Hedda H. Mørch, John Horgan, Pandeism
- Mirror World
- James Schombert’s lectures on cosmology
- Univon
- Academic Rankings of Top Turkish Universities
- Notes (November 2019)
- Multiplication table of shapes
- Did you know electron can pass through the proton in a hydrogen atom?
- Only integer changes of spin are observed in particle interactions
- What is the name of the super-massive black hole at the center of Milky Way?
- Latest news and discussion on Google’s quantum supremacy experiment
- Hydrogen molecule looks like this
- Richard Gauthier’s “Them from Ylem” proposal
- Notes (October 2019)
- Graph Theory Concepts
- Keep going
- Hubble constant: 5 sigma separation between 67 and 73 (km/s)/Mpc
- NIST Digital Library of Mathematical Functions
- Current state of quantum computing (2019)
- On the emergence of space and time
- Few reminders about quantum teleportation
- Few stats about Turkish Economy and Society
- Wonderful Art of Angela Gonzales 1967-1998
- Recent discussions on dark energy
- Durability of Metals from Archaeological Objects
- Can you explain why the diameter of the observable universe is 93 billion light-years?
- Ananda Purnima 2019
- Chuck Lorre’s Big Bang Theory Vanity Cards
- An alternative, very short, interpretation of Tao Te Ching
- Life is systaltic
- How many books in major libraries?
- Guest Post by Raymond Bates on Unity of Intelligence
- Unity of Intelligence
- Best Explanations of Renormalization in Quantum Field Theory
- J. Robert Oppenheimer’s Interview
- Quantum Computing Review Article by John Preskill
- 2019 update on the location of the magnetic north pole
- Lunar Night
- CERN FCC (Future Circular Collider) Design Reports
- Michael Atiyah (1929-2019)
- Kandilli
- No need to be confused
- Biomass distribution
- Jagdish Mehra (1931-2008)
- Sheb-i Arus 2018 (745’th commemoration)
- Kolmogorov Complexity
- Live video feeds from ISS
- CERN LHC Long Shutdown 2 (LS2)
- Anti-photon, anti-neutrino
- Earth’s hum
- Microcausality
- New upper limit for electron EDM
- Atiyah lecture at 2018 Heidelberg Laureate Forum
- 3 No’s of Quantum Physics
- Luigi Luca Cavalli-Sforza
- Frank Wilczek corrects a misunderstanding
- Fractional Spin
- Chris Quigg’s Summary of the Evolution of Particle Physics
- Free version of the Feynman Lectures on Physics
- Huge amount of water in Earth’s mantle (2)
- Final reports from the Planck Cosmic Microwave Background Measurements
- The Centennial of Julian Schwinger
- Where were we?
- Fog
- Carmel
- Causal emergence, downward causation, and more…
- Few comments on the pratityasamutpada concept
- Word clouds
- Etymology of elementary particle names
- On the concept of scalar field
- Is there a particle that interacts with muons but not electrons?
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Category Archives: geophysics
2020 update on the location of the magnetic north pole
The magnetic north pole has been drifting from Canada to Siberia. This post is a follow up on the 2019 update. image source The green dot indicates the 2020 location of the magnetic north pole. The 2020 location of the … Continue reading
Posted in geophysics
Tagged magnetic north pole
2019 update on the location of the magnetic north pole
image credit Magnetic north pole has been drifting from Canada to Siberia. The drift speed is accelerating. This prompted scientists to update the World Magnetic Model recently. GPS system, navigational systems used by satellites, aircraft, ships, submarines and other vehicles rely … Continue reading
Posted in geophysics
Tagged magnetic north pole
Earth’s hum
I sometimes take notes and return to those notes later. This is from 2017. There was an article at The Washington Post titled “Scientists are slowly unlocking the secrets of the Earth’s mysterious hum“. National Geographic published an article on … Continue reading
Posted in geophysics
Huge amount of water in Earth’s mantle (2)
In a previous post (4 years ago) I brought your attention to the existence of huge amount of water in Earth’s mantle. Quanta magazine recently reported on the latest news on this front: The Hunt for Earth’s Deep Hidden Oceans. … Continue reading
Posted in geology, geophysics
Tagged Earth's mantle, oceans
Update on how Earth’s magnetic field is changing
The European Space Agency (ESA) has a trio of satellites known as SWARM that studies Earth’s magnetic field. “Launched in 2013, the trio of Swarm satellites are measuring and untangling the different magnetic fields that stem from Earth’s core, mantle, … Continue reading
Posted in geology, geophysics
Tagged Earth, Earth's magnetic field, ESA, SWARM
European Space Agency’s Magnetic Field Mission SWARM
Image credit: ESA/ATG Medialab European Space Agency (ESA) has 3 satellites that work in a coordinated fashion to measure Earth’s changing magnetic field. Here’s the description from ESA “Swarm, a constellation of three satellites, studies Earth’s magnetic field. Swarm aims … Continue reading
Posted in geophysics
Tagged Earth's magnetic field, ESA SWARM Mission, European Space Agency
Al-Biruni
image credit I feel so ashamed for not knowing much about al-Biruni – the polymath who lived in the 11’th century. His name was brought to my attention by a newspaper article announcing the establishment of a new private university … Continue reading
Posted in geometry, geophysics, history, inspiration, linguistics, mathematics, philosophy, physics, Turkish
Tagged al-Biruni, Indology, mathematics, physics, polymath
Moon stabilizes Earth
Image credit Earth’s moon is relatively large. This is unique for large planets in our solar system. Mercury and Venus have no moons, and Mars has only two small asteroid-sized objects (Phobos and Deimos) orbiting it. Uranus has 27 known … Continue reading
Posted in geophysics
Tagged Earth, Moon
Recent changes in Earth’s magnetic field
Image credit According to geologic record in the minerals, Earth’s magnetic dipole polarity reversed many times during the planet’s 4.5 billion year history. The average time between reversals is 250 thousand years. There were no reversals in the last 780 … Continue reading
Posted in energy, geology, geophysics, mind, physics, precession of Earth, precession of equinoxes
Tagged Earth, geodynamo, Magnetic field, magnetic north, polar shit
Huge amount of water in Earth’s mantle
Evidence [1][2][3][4] is growing for the theory [5] that claims that the amount of water in Earth’s “transition zone” (see the graphics above) is as much as the water contained in all oceans. Why is this important? More water in … Continue reading
Posted in geophysics
Tagged lower mantle, transition zone, upper mantle
Difference between sidereal day and solar day on Earth
An Earth day can be measured in different ways. Measure the time it takes for a complete rotation of Earth around its axis. Measure the time it takes for the Sun to appear in the same meridian in the sky. … Continue reading
Posted in geophysics, science, society
Tagged axial tilt, Earth, ecliptic, planets, sidereal day, solar day
Live map of the winds across the Earth
The live map of the winds across the Earth Once the image comes up you can rotate the Earth image using your mouse (click on the image and move the mouse while pressing the mouse button) and see the green … Continue reading
Posted in geophysics, science
Tagged geology, geophysics, science
If all the polar ice melted
The super typhoon Haiyan devastated Philippines. I experienced the super storm Sandy in the NYC area. During Sandy the sea level rose 12 ft (approximately 4 meters). During Haiyan the sea level rose 16 ft (approximately 5 meters). 12 ft … Continue reading
Posted in geophysics, society
Tagged Hurricane Sandy, Ice sheet, Philippines, Sea level
Life on Earth critically depends on the magnetic field
Life on Earth critically depends on Earth’s magnetic field. We should know more about it and the dynamo that generates it. Compasses point to the magnetic north pole. Birds follow the magnetic field lines during their seasonal migrations. Earth’s magnetic … Continue reading
Posted in geophysics
Tagged Dipole, Earth, Earth's magnetic field, Electromagnetism, Inner core, Magnetic field, Outer core, physics
Rapid Climate Change 11.5 Thousand Years Ago
Introduction Human pre-history is shaped by climate changes, genetic mutations, development of ego-consciousness, development of languages and the specific eras such as the “Great Leap Forward” (Homo Sapiens moving out of Africa) and the transition from hunting and gathering to “food … Continue reading
Posted in geophysics
Tagged climate, geophysics, physics
Past and Future Pole Shifts
Introduction Pole Shift is a controversial subject and is debated passionately. During these discussions people tend to forget the basic physics, the law of the conservation of angular momentum which dictates that the average axial tilt angle with respect to … Continue reading
Posted in geophysics
Tagged climate, geophysics, physics
Suresh Emre