Relativity theory: What is reality?

What is a singularity in general relativ

What is a singularity in general relativity?

✍ Robert Geroch 📂 Article 📅 1968 🏛 Elsevier Science 🌐 English ⚖ 763 KB

The general covariance of relativity theory creates serious dit%cuIties in formulating a suitable definition of a singularity in this theory. We review and, by means of an example, add to these difficulties. We examine the arguments which lead from one's intuitive picture of a singularity as "some q

What Is Integral Theory?

✍ Andre Marquis 📂 Article 📅 2007 🏛 American Counseling Association 🌐 English ⚖ 183 KB

Integral theory is a way of knowing that helps foster the recognition that disparate aspects of reality—such as biological constitution, cultural world‐views, felt‐sense of selfhood, and social systems—are all critically important to any knowledge quest. Integral theory provides an “all quadrants, a

General relativity is a gauge type theor

General relativity is a gauge type theory

✍ Marco Ferraris; Jerzy Kijowski 📂 Article 📅 1981 🏛 Springer 🌐 English ⚖ 331 KB

A B ST R ACT. It is shown that the Einstein-Maxwell theory of interacting electromagnetism and gravitation, can be derived from a first-order Lagrangian, depending on the electromagnetic field and on tile curvature of a symmetric affine connection P on the space-time M. The variation is taken with r

Discworld and philosophy: reality is not what it seems

✍ Nicolas Michaud 📂 Fiction 📅 2016 🏛 Open Court 🌐 English ⚖ 250 KB 👁 3 views

In Discworld, unlike our own frustrating Roundworld, everything makes sense. The world is held up by elephants standing on the back of a swimming turtle who knows where he's going, the sun goes round the world every day, so it doesn't have to be very hot, and things always happen because someone int

Discworld and philosophy: reality is not what it seems

✍ Nicolas Michaud 📂 Fiction 📅 2016 🏛 Open Court 🌐 English ⚖ 248 KB 👁 3 views

In Discworld, unlike our own frustrating Roundworld, everything makes sense. The world is held up by elephants standing on the back of a swimming turtle who knows where he's going, the sun goes round the world every day, so it doesn't have to be very hot, and things always happen because someone int

Augmented versus Virtual Reality Laparos

Augmented versus Virtual Reality Laparoscopic Simulation: What Is the Difference?

✍ Sanne M.B.I. Botden; Sonja N. Buzink; Marlies P. Schijven; Jack J. Jakimowicz 📂 Article 📅 2007 🏛 Springer 🌐 English ⚖ 249 KB