Physics

Oct 25, Gravity is a Mystery (in words, no equations) Snarky puzzle: Is there a handedness to getting older? Is there a handedness to communication? If there is a handedness to either, how would that effect the arrow of spacetime? The Back Story: Clocks ...

Blog Post - Doug Sweetser - Nov 30 2011 - 12:04am

Modest Agnostics Expect A Multiverse And Hold Many Worlds True

Most people, including physicists, do not like Many World and Multiverse concepts, especially if they come with Extra Dimensions. But these concepts were always self-evident to me, even before knowing physics (UPDATE: Here two more recent versions, not me ...

Article - Sascha Vongehr - Mar 7 2018 - 8:25pm

Hyperspace Helicopters: A December Season Puzzle

Space is three dimensional: Length, Depth and Height, or X, Y, and Z, that makes three. Since any modest agnostic holds a Multiverse extremely likely though, and moreover also our own universe likely has hidden extra dimensions, nerds keep wondering what ...

Article - Sascha Vongehr - Apr 30 2018 - 12:28am

Higgs Expectations

Update: I am keeping out of this, but you may well be interested in reading what Gibbs, Woit, and Motl have to say about recent leaks on the ATLAS and CMS results. So I hope I won't be crucified for three general links now! Update 2: And it is now pu ...

Article - Tommaso Dorigo - Dec 3 2011 - 8:12am

Eternally Collapsing Objects: The Maiden Alternative to Black Holes

Astronomers do find massive compact objects in the X-ray Binaries, in the Quasars, in the center of many galaxies. In most of the cases, the radius of such objects could be few Schwarzschild Radii (R s = 2 GM/c 2) or even close to R s. On the other hand w ...

Blog Post - Abhas Mitra - Dec 23 2011 - 5:13pm

Alejandro Rivero: Fermion Mass Coincidences And Other Fun Ideas

The text below was graciously written for this blog by Alejandro Rivero (below), a friend who has contributed to this blog other times in the past. His theoretical ideas are off the mainstream, but in a way which makes them interesting to me. I hope some ...

Article - Tommaso Dorigo - Dec 7 2011 - 4:35am

Many Worlds Tautological Truth: To Be Or Not To Be Is Not The Question

Susskind and other usual suspects try hard to convince the world that they are the ones who finally understood 'Many Worlds' and that such is a success of string theory and all that. A media spectacle is going on right now, see here at the New S ...

Article - Sascha Vongehr - Mar 7 2018 - 8:53pm

Spinning the Interaction Story: Spin 1 (1 of 3)

So much action happens with with interaction term of a Lagrangian, it is easy for those not initiated into the refined arts of field theory to skip over issues. In this blog I will dive into the details of a vector current coupling which should indicate w ...

Blog Post - Doug Sweetser - Dec 15 2011 - 11:46pm

Get Your Own LHC Killer (BYOB)

If on occasions you dream about owning the world's largest particle smasher, I have good news for you. The Superconducting Super Collider is for sale "at a significant discount". However, to stand a chance in beating the LHC in the race for ...

Article - Johannes Koelman - Dec 6 2011 - 11:37pm

Waiting For December 13th

It is by now public that Rolf Heuer, the Director General of CERN, in announcing for December 13th two back-to-back talks of the CMS and ATLAS experiments on their Higgs search results with 2011 data, warned that the results might not be conclusive yet. Be ...

Article - Tommaso Dorigo - Dec 8 2011 - 12:08am