# math

## 4/22/07 Gil's LotD

http://fooplot.com/ A very neat little AJAX app you can use to plot many types of functions quickly.

http://uncyclopedia.wikia.com/wiki/Worst_100_Pick-Up_Lines_of_All_Time Uncyclopedia on the worst pick-up lines ever.

## 4/19/07 Gil's LotD

4/19/07 Gil's LotD

http://www.youtube.com/watch?v=4g1O4LJNs94 Fox News can't do math.

http://en.wikipedia.org/wiki/Seven_Bridges_of_K%C3%B6nigsberg How to prove the famous seven bridges problem. I love how Wikipedia has a spoiler warning for mathematical proofs.

http://www.losanjealous.com/nfc/ This generator combines a random Family Circus image with a random Nietzsche quote.

## 4/4/07 Gil's LotD

4/4/07 Gil's LotD

http://www.tenthdimension.com/medialinks.php An explanation of everything up to the 10th dimension.

http://www.flickr.com/photos/djcollinator/sets/72157600000992814/ Photos of a barber who cuts hair with fire.

## 3/31/07 Gil's LotD

http://doxory.com/ Do x or y lets users ask the site a question, and other users can vote on which choice to make.

http://aimath.org/E8/ A page on the mapping of a large Lie group with links to information about what it is.

http://en.wikipedia.org/wiki/Rumspringa Rumspringa is when the Amish let the teens go and explore life outside of the commune.

## 2/19/07 Gil's LotD

http://en.wikipedia.org/wiki/Menger_sponge Menger sponges for the uninformed.

http://www.theiff.org/oexhibits/menger02.html A Menger sponge made of business cards.

http://www.lswilson.ca/warstories.htm Stories from veterans of DEW Line outposts, Cold War radar stations in the far north of Canada.

## 1/27/07 Gil's LotD

http://en.wikipedia.org/wiki/Mean_value_theorem The mean value theorem proves that on a curve the average slope of the entire curve is a point on the derivative of that curve. Something like that.

## 1/25/07 Gil's LotD

http://www.youtube.com/watch?v=nice6NYb_WA A presentation of 3D face modeling software by a researcher.

http://www.abc.net.au/science/news/stories/2006/1777547.htm A news article about recent advances in fair divison, which is quite the cutting edge of math.

http://www.math.hmc.edu/~su/fairdivision/ Fair divison is the branch of mathematics dealing with ways to cut cake so everyone is happy.

## 12/29/06 Gil's LotD

http://en.wikipedia.org/wiki/Parallel_Postulate The parallel postulate says that if two angles are parallel to each other (or if they interset a 3rd line at the same angle) they will never interset and is part of the proof behind a lot of geometery.

http://www.youtube.com/watch?v=lmA9yb7_JVI A 1000+ man game of Capture the Flag in Toronto.

## 10/18/06 Gil's LotD

http://www.math.hmc.edu/funfacts/ffiles/20010.5.shtml The secret mathematicians don't want you to know: the formula for calculating any digit of pi.

## 9/7/06 Gil's LotD: Jet engines, Heavy things, Poincaré

http://www.ronpatrickstuff.com/ This guy put a jet engine in the back of his Beetle. It works.

http://www.arcanegazebo.net/2006/08/measurements_of_gravity_using.html A story about an undergrad in a lab who decides to take a 230 L DeWar flask full of liquid nitrogen down a stairway in a handcar.

## 6/9/06 Gil's LotD: Windows repair, Laughter, Mathematical proofs

http://www.short-media.com/review.php?r=313 Tips on using the repair command on the Windows XP install disk to fix a broken install.

http://blogfiles.wfmu.org/KF/2006/05/laughing_yogi.mpeg Laughing is good for you!

http://us.metamath.org/mpegif/mmmusic.html Proofs set to music.

## 9/12/05 Gil's LotD

Gil's LotD

After much ado about nothing, Gil's link of the day is back. Making up for the absence is 12 links.

http://www.smokintire.com/product.htm#Candles Candles that smell like burning rubber. For the NASCAR fan in all of us

http://sohowww.nascom.nasa.gov/data/realtime-images.html Pictures of the Sun in different spectra

## 8/13/05 Gil's LotD

Gil's LotD

http://www.planarity.net/ A game that has you move interconnected points so that none of their vertices cross

## 6/27/05 Gil's LotD

Gil's LotD

http://www.sudoku.com/ Sudoku- this is going to be big

The people who host Gil's link of the day had a lot of email newsletters to send over the weekend. If Gil's link of the day doesn't come at 5:00 as it is supposed to, don't worry. The newsletter will be sent as soon as the other ones are done.

## 6/7/05 Gil's LotD

Gil's LotD

http://www.almaden.ibm.com/vis/stm/gallery.html IBM merges art and math in this website. Very cool, but I don't fully understand it