"A parabolic mirror will focus light rays arriving parallel to the mirror's axis onto a single point: the focus of the mirror. But what happens more generally when light rays strike curved mirror...
http://borderguards.blogspot.com/2013/02/catacaustics-resultants-and-kissing.html
In Lightspeed Magazine 28 : "Straining against the harness that held her to the observation bench, Tamara cranked the azimuth wheel of the telescope mount. Each laborious turn of the handle besid...
http://borderguards.blogspot.com/2012/12/the-eternal-flame-1-2-greg-egan.html
"Carlo scooped up the chosen boy's co and pulled himself along the rope into the front room, a child clutched awkwardly in each free hand. From the box he took two clearstone vials and a syringe....
http://borderguards.blogspot.com/2012/11/the-eternal-flame-1-greg-egan.html
"What would it be like to live in a universe with four dimensions that were all essentially the same? The universe we inhabit has three dimensions of space and one of time, and though relativity ...
http://borderguards.blogspot.com/2012/09/the-orthogonal-universe-greg-egan.html
"Units Throughout these notes, we've adopted a system where time and distance are measured in identical units. This is the equivalent of setting the speed of light, c, equal to 1 in our own unive...
http://borderguards.blogspot.com/2012/08/orthogonal-riemannian-quantum-mechanics.html
"This animation was created using the same methods as the Girih applet, but as it's been precomputed it's possible to include a finer level of detail than can be generated by the applet in real t...
http://borderguards.blogspot.com/2012/06/girih-animation-greg-egan.html
http://gregegan.customer.netspace.net.au/SCIENCE/ConicSectionOrbits/ConicSectionOrbits0.png"The aim of this page is to assemble a variety of simple proofs for the wonderful fact, first proved by ...
http://borderguards.blogspot.com/2012/04/conic-section-orbits-greg-egan.html
"It was only in 1996 that I finally came across Gravitation by Charles Misner, Kip Thorne and John Wheeler. Published in 1973, this 1279-page masterpiece takes all the time it needs to prepare th...
http://borderguards.blogspot.com/2012/03/booked-author-clockwork-rocket-greg.html
"Book Two of the ORTHOGONAL trilogy, THE ETERNAL FLAME, has been scheduled to appear in September/October from Night Shade Books in the US and Gollancz in the UK."http://www.gregegan.net/ORTHOGON...
http://borderguards.blogspot.com/2012/03/eternal-flame-greg-egan.html
"Welcome to another single-author focused edition of the Locus Roundtable. This time Greg Egan is in the spotlight, as I egregiously abuse my position by wrangling some very kind individuals into...
http://borderguards.blogspot.com/2012/03/locus-roundtable-on-greg-egan-karen.html
"The precise realization of the appearance--the surface, I call it, however three-dimensional--is only the most rudimentary beginning. It is the network of relationships between the subjects, and...
http://borderguards.blogspot.com/2012/02/art-and-power-in-age-of-empire-greg.html
"Re: The Strangest Numbers in String Theory The article was intriguing, but John Huerta’s thesis with all the details looked a bit scary, or at least the kind of thing I’d need to spend six m...
http://borderguards.blogspot.com/2011/09/re-strangest-numbers-in-string-theory.html
"“But how does that change things?” Yalda wondered. “If I see red light and violet light at the same time . . . then the slower, red light must have left the sun earlier.”“Right. So how...
http://borderguards.blogspot.com/2011/06/clockwork-rocket-1-greg-egan.html
" You are currently in the middle of writing the Orthogonal trilogy. What prompted you to begin such a project and what do you hope to gain from such an endeavor?A few years ago I started thinkin...
http://borderguards.blogspot.com/2011/05/science-of-story-interview-with-greg.html
Seiun award nomination, 2011.5 out of 5http://www.sfawardswatch.com/?p=4122
http://borderguards.blogspot.com/2011/05/crystal-nights-greg-egan.html
"“‘Forget the true shape of the planet’: The Anarchic Spaces of Greg Egan’s Distress,” in Jennifer Rutherford and Barbara Holloway (eds.)"Unseen.http://www1.carleton.ca/fass/news/2010-f...
http://borderguards.blogspot.com/2011/04/forget-true-shape-of-planet-anarchic.html
"Illustration for Greg Egan's story "Border guards"Nowa Fantastyka 10/2007"4 out of 5
http://borderguards.blogspot.com/2011/03/border-guards-tomasz-jedrzejowski.html
Novella Number of words : 18000Percent of complex words : 12.1Average syllables per word : 1.5Average words per sentence : 19.7READABILITY INDICESFog : 12.7Flesch : 58.0Flesch-Kincaid : 10.1PEOPL...
http://borderguards.blogspot.com/2011/03/oracle-greg-egan.html
A created dog breed.3 out of 5
http://borderguards.blogspot.com/2011/03/pekinese-oracle-greg-egan.html
Small rodents that will fuck anything.4 out of 5
http://borderguards.blogspot.com/2011/03/hamsters-oracle-greg-egan.html
A machine that could solve the halting problem.4 out of 5
http://borderguards.blogspot.com/2011/03/oracle-oracle-greg-egan.html
One of the oldest unsolved problems in number theory and in all of mathematics. Every even integer greater than 2 can be expressed as the sum of two primes.3 out of 5
http://borderguards.blogspot.com/2011/03/goldbach-conjecture-oracle-greg-egan.html
About positive integer algebra.3 out of 5
http://borderguards.blogspot.com/2011/03/fermats-last-theorem-oracle-greg-egan.html
Postulated by Kurt Godel.4 out of 5
http://borderguards.blogspot.com/2011/03/incompleteness-theorem-oracle-greg-egan.html
Woodland deity.3 out of 5
http://borderguards.blogspot.com/2011/03/pan-oracle-greg-egan.html