spacetime – Uncommon Descent

Is spacetime granular on the smallest of scales?

At Physics Central: “a recent Physical Review Letter hints that granular spacetime could—just maybe—solve two of the most pressing problems in astronomy today.”

jerry I am posting the transcription of the lecture on Cicero on another OP because it is extremely long. Anyone wanting... – Should we recognise that "laws of...
jerry This is placed here because some may be interested and it too long for the current thread. It is about... – Michael Ruse update: “Morality is just...
kairosfocus VL, behind a planar, front-silvered mirror lies a virtual half universe with images laterally reversed and set back the same... – Semi-circles and right angle dilemmas ....
Fasteddious Note that Loeb is using ID arguments in this piece, although I'm sure he would deny it: - take a... – Avi Loeb at Scientific American on...
Fasteddious Thank you Polistra, that was great - my laugh for the day! – The “smaller game” theory of the...
Viola Lee Also, Kf's picture above shows how you transform a secant line (cutting the curve at two points) into a tangent... – Semi-circles and right angle dilemmas ....
Viola Lee You're right, Steve. The problem didn't say specifically that it was a semicircle. I written lots of geometry problems, and... – Semi-circles and right angle dilemmas ....
PaV If the definition of a circle is x^2 + y^2 = R^2, but the definition of a right angle, per... – Semi-circles and right angle dilemmas ....
kairosfocus SA2, the physical confirmation rests on the laws of reflection, i.e. incident, reflected ray and normal to plane of reflection... – Semi-circles and right angle dilemmas ....
Steve Alten2 I will definitely defer to you and Viola Lee on this. – Semi-circles and right angle dilemmas ....
kairosfocus SA2, it is both implied and visually recognisable. KF PS: The mirror test will show it instantly. PPS: Using a... – Semi-circles and right angle dilemmas ....
bornagain77 And since Intelligent Design is mathematically based on the ‘law of conservation of information’, that makes Intelligent Design, unlike Darwinian... – The Bee stings again: 7 ways...
asauber Speaking of hostility... I think Seversky should look into some Anger Management sessions. Andrew – The Bee stings again: 7 ways...
bornagain77 Seversky goes off into his Darwinian dream world again and claims, "Darwin’s theory and the work that led up to... – The Bee stings again: 7 ways...
Steve Alten2 Kairosfocus, thank you for the visual. However, I hear terms like circumference, diameter and radius being used to describe the... – Semi-circles and right angle dilemmas ....
kairosfocus SA2, the easiest answer is a physical one. Take a small, flat, preferably front silvered mirror though practically a back... – Semi-circles and right angle dilemmas ....
Steve Alten2 Viola Lee, forgive me for possibly being dense. I admit that any radius that intersects a tangent of a circle... – Semi-circles and right angle dilemmas ....
Seversky Bornagain77/5 One final question for atheists here on UD,,,, since your entire Darwinian worldview turns out to be vitally dependent... – The Bee stings again: 7 ways...
Seversky Bornagain77/1 The biggest lie told in science today is that science and religion, particularly Christianity, are at ‘war’ with each... – The Bee stings again: 7 ways...
Viola Lee Steve, you just draw it perpendicular to the radius at that point. The fact that the semicircle doesn't continue on... – Semi-circles and right angle dilemmas ....
Lieutenant Commander Data William J Murray However, since my arguments and counter-arguments are about logic and evidence (to the degree “evidence” can be... – Should we recognise that "laws of...