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1012 and other such numbers
... 6534 6 6534  4356 = 2178 7 2178  8712 = 6534 1012 is the first ... showed that exactly onehalf of all numbers up to 1,516,730 have an endloop consisting of just zero. Beyond 1,516,730 more than half ...
Marianne  4 Apr 2018  15:01  3 comments

What is general relativity?
... Singh on January 10, 2017 Awesome blog David tong sir can u describe all equations explained by Einstein with ...
Marianne  28 Mar 2018  16:41  10 comments

Happy e day!
Today is February 7, 2018. If you write this the American way, with the month first, and leave out the 20, this gives 2/7/18. And 2, 7, 1 and 8 are the first four digits of one of the most important ...
Marianne  27 Mar 2018  14:24  5 comments

'A farewell to ice'
... 5, starting with the greenhouse effect. Chapters 6 and 7 discuss respectively how yearly sea ice data points to an undeniable "Arctic ...
Marianne  19 Mar 2018  10:50  comments

Maths in a minute: The two envelopes problem
... Permalink Submitted by Burger Man on October 7, 2017 I think the article should more clearly state ...
Marianne  13 Mar 2018  16:19  33 comments

Ramanujan surprises again
... Permalink Submitted by Jan van Mourik on January 7, 2017 Which equation has the constant c in it? ...
Marianne  9 Mar 2018  12:15  15 comments

Happy 10th birthday Google!
By Rachel Thomas 26/09/2008 Alles Gute zum Geburtstag! Joyeux Anniversaire! Suk San Wan ... librarian , a runnerup in the Plus new writers award 2008 .) The maths behind Google highlights the relevance of maths in our ...
plusadmin  19 Feb 2018  09:42  0 comments

The philosophy of applied mathematics
... note, some of you may enjoy this tangentially related blog post of mine: ... Hi all. I've just recently written about this topic in my blog, and I'd be really interested in hearing what you think. ...
Marianne  19 Feb 2018  09:32  30 comments

Making a right angle the Maya way
... 1 through knot 2 and another ray from knot 1 through knot 7, the resulting angle is a right (60° + 30°) angle. The animation below ...
Marianne  1 Feb 2018  16:49  1 comment

Power networks
... This assumption makes sense. When you write your blog, you are more likely to link to very popular sites, say the ...
Marianne  1 Feb 2018  12:45  3 comments