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2015-07-15: Can You Trust Your Eyes in Spacetime?
: ... the physical world as geometric objects and relations in a tenseless
we can discover facts about physics just by exploring geometry in that ...
2015-07-02: Can a Circle Be a Straight Line?
: ... on what we really mean by straight line and by flat verses curved
: In the meantime, you can put your questions about geodesics and curved
down in the comments below.
2015-04-22: Are Space and Time An Illusion?
: Instead, it's a four dimensional non-Euclidean
that's just there.
: That 4D
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