Off topic items

[David B. Benson]

Just a place to drop links.

Evidence for anisotropy of cosmic acceleration
2019 Nov 29
Phys.org
m.phys.org/news/2019-11-evidence-anisotropy-cosmic.html

Important study led by Professor Sarkar of Oxford. Implies no so-called dark energy.

[David B. Benson]

New evidence shows that the key assumption made in the discovery of dark energy is in error
2020 Jan 06
Phys.org
m.phys.org/news/2020-01-evidence-key-assumption-discovery-dark.html

A devastating reinterpretation of the deep time evidence; once again, no so-called dark energy.

[David B. Benson]

books.google.com/books?id=REKVGb_nUZUC&pg=RA6-PA33&lpg=RA6-PA33&dq=philco+computer+transistors+switching+time&source=bl&ots=iRoagoBn83&sig=ACfU3U0s0o62V5v-850IXhOynFNXkTYlHg&hl=en&sa=X&ved=2ahUKEwjir5uWnM7nAhV5GTQIHeHdCVkQ6AEwEHoECAoQAQ#v=onepage&q=philco%20computer%20transistors%20switching%20time&f=false

I need to study these switching times.

[David B. Benson]

Remembering Beate, who single handedly, provided women in Japan with equality:
www.japansubculture.com/the-only-woman-in-room-and-the-constitution-of-modern-japan/

[David B. Benson]

m.phys.org/news/2020-03-mystery-expansion-universe.html

Local bubble of lower than average density explains some of the discrepancies in the measurement of the so-called Hubble constant. However, see reference 7 in
en.m.wikipedia.org/wiki/KBC_Void

[David B. Benson]

hubblesite.org/contents/news-releases/2020/news-2020-04

H0LiCOW measures so-called Einstein rings to determine a current expansion rate which implies so-called dark energy.

[David B. Benson]

Does relativity lie at the source of quantum exoticism?
2020 Apr 02
Phys.org
m.phys.org/news/2020-04-relativity-source-quantum-exoticism.html

A fascinating excursion into foundations of physics.

[David B. Benson]

Rethinking cosmology: Universe expansion might not be uniform (Update)
2020 Apr 08
Phys.org
m.phys.org/news/2020-04-basic-assumption-universe.html

Unipolar maximum expansion claimed.

[David B. Benson]

Image: Hubble sees cosmic glitter in a cosmic void
2020 May 25
Phys.org
phys.org/news/2020-05-image-hubble-stellar-glitter-cosmic.html

Only inhabitant known in the 150 million lightyear Local Void is not a typical galaxy.

[David B. Benson]

Study finds that patterns formed by spiral galaxies show that the universe may have a defined structure
2020 Jun 01
Phys.org
phys.org/news/2020-06-patterns-spiral-galaxies-universe.html

Quadrupole of spiral galaxy spin orientation!

[engineerpoet]

I'm glad you read phys.org so I don't have to.

[David B. Benson]

New test of dark energy and expansion from cosmic structures
2020 Jun 03
Phys.org
phys.org/news/2020-06-dark-energy-expansion-cosmic.html

Flat with acceleration is the best fit.

[huon]

Discovery of ancient super-eruptions indicates the Yellowstone hotspot may be waning
June 3, 2020
Phys.org
phys.org/news/2020-06-discovery-ancient-super-eruptions-yellowstone-hotspot.html

The largest eruption, in Idaho, was "one of the top five eruptions of all time."

For a map of the newly discovered eruptions--the map in the Phys.org article has not been updated--and for more details, see the original paper:
npshistory.com/publications/yell/g-2020.pdf

[David B. Benson]

astronomynow.com/2020/06/15/more-evidence-of-trouble-at-the-heart-of-the-standard-model/

New method obtains 73.9 km/s/mp for the Hubble expansion.

[David B. Benson]

"Multicultural" Education
Thomas Sowell
www.tsowell.com/spmultic.html

Not a good idea.

[David B. Benson]

andthentheresphysics.wordpress.com/2020/07/01/apocalypse-never/#comment-178490

A Reassuring Lie cartoon

[David B. Benson]

Astrophysicists fill in 11 billion years of universe's expansion history
2020 Jul 20
Phys.org
phys.org/news/2020-07-astrophysicists-billion-years-universe-expansion.html

10% slower Hubble Constant, so-called dark energy acceleration.

[David B. Benson]

New approach refines Hubble's constant and the age of the universe
2020 Jul 27
Phys.org
phys.org/news/2020-07-approach-refines-hubble-constant-age.html

A billion years younger than the usual estimate.

[David B. Benson]

Cosmic tango between the very small and the very large
Gail McCormick
2020 Jul 30
Phys.org
phys.org/news/2020-07-cosmic-tango-small-large.html

A just-so story to compete with the cosmic inflation plus multiverse just-so story. This one is a Big Crunch story. There are others.

[David B. Benson]

Researchers predict location of novel candidate for mysterious dark energy
2020 Sep 01
Phys.org
phys.org/news/2020-09-candidate-mysterious-dark-energy.html

Lurkers in the great voids.

[David B. Benson]

A New Cosmic Tension: The Universe Might Be Too Thin
Charlie Wood
2020 Sep 08
Quanta magazine
www.quantamagazine.org/a-new-cosmic-tension-the-universe-might-be-too-thin-20200908/

Doesn't clump as much as theory predicts.

[huon]

Research shows Krebs cycle possible without metals or enzyme catalysts, offers new clues to life's origins
16 Oct 2020
Furman University
phys.org/news/2020-10-krebs-metals-enzyme-catalysts-clues.html

A fascinating discovery.

(Post moved from the Open Thread of the Climate Change board to this more appropriate off-topic home.)

[huon]

Happy New Year! To celebrate I thought I'd post this short video of a SpaceX test flight. Not only does the largely successful flight bode well for the future, it features a great fireworks display at the end.

www.youtube.com/watch?v=_qwLHlVjRyw

[David B. Benson]

Ice volcanoes here on Earth:
www.freep.com/story/news/local/michigan/2021/02/15/rare-triple-ice-volcanoes-lake-superior/4487895001/

[David B. Benson]

Electromagnetism is a property of space time itself, study finds
Jussi Lundgrin & Jukka Liukkonen
2021 Jul 23
Physics.com
sciencex.com/news/2021-07-electromagnetism-property-spacetime.html

A beautiful result.
Suggests that the weak nuclear force can be so incorporated via Stephen Weinburg’s unification of electromagnetism and the weak nuclear force.