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Ivan Rygaev

@jent

Fundamental Questions Explorer

13 followers 17 following 91 posts Reputation 43.9

Ivan Rygaev
@jent Jan 13, 2019, 2:30 PM UTC

Dark negative matter floods the Universe (probably)

This research has been already mentioned on Steem. But I want to present it in more details because it is a really cool idea and seems to solve many problems at once. Dr. Farnes from the University o…

4 upvotes 3 replies $0.00
Ivan Rygaev
@jent Jan 10, 2019, 2:01 PM UTC

Two wise men and two number (solution explained)

In this post, I present the solution to the puzzle which I posted last year. If you did not see the puzzle yet, you may want to try to solve it yourself before continue reading. Warning: the answer i…

143 upvotes 5 replies $0.14
Ivan Rygaev
@jent Jan 7, 2019, 8:59 AM UTC

Negative mass

If someone has a list of counterintuitive things, then somewhere at the top of it there should be negative mass. Dealing with it is like riding a reverse steering bicycle, which instead of turning le…

312 upvotes 5 replies $0.63
Ivan Rygaev
@jent Dec 21, 2018, 11:12 PM UTC

The Twelve Facts of Christmas: Pascal’s Triangle

Katie Steckles, a mathematician from Manchester, wrote an interesting Christmas post about Pascal's triangle. Check it out, you will find that Pascal was not the first inventor of the triangle, that…

6 upvotes 3 replies $0.00
Ivan Rygaev
@jent Dec 21, 2018, 9:59 AM UTC

Two wise men and two numbers

Can you solve this beautiful puzzle? A sultan had two sages, let's call them Saruman the White and Gandalf the Grey. Once the sultan decided to test how wise those sages are. He summoned them and sai…

4 upvotes 5 replies $0.00
Ivan Rygaev
@jent Dec 19, 2018, 2:18 PM UTC

Webots robot simulation software goes opensource

Cyberbotics recently announced that Webots, a cool robot simulation software that has been developed for more than 20 years, is now opensource and available for free download. Now everyone can create…

8 upvotes 1 replies $0.00

Ivan Rygaev

Dark negative matter floods the Universe (probably)

Two wise men and two number (solution explained)

Negative mass

The Twelve Facts of Christmas: Pascal’s Triangle

Two wise men and two numbers

Webots robot simulation software goes opensource