Can string theory be in sheets?

Instead of just being a theory of matter particles, physicists began to realize that string theory may just be able to explain gravity and the behavior of particles. Over the years, it was discovered that the theory required objects other than just strings. These objects can be seen as sheets, or branes.

Can you have knots in string theory?

Left: In two dimensions, no matter how complicated and convoluted your string is it can never be tied in a knot. Right: Even the simplest knot requires at least three over-under excursions into three dimensional space to get around self-intersections.

Who invented knot theory?

Carl Friedrich Gauss
The first steps toward a mathematical theory of knots were taken about 1800 by the German mathematician Carl Friedrich Gauss.

What does the knot symbol mean?

The lover’s knot or love knot has a long history of being a symbol of love. It represents the unbreakable bond and eternal connection between two lovers. The association of knots with love has appeared in many different cultures since ancient times.

When did the four in hand tie knot become popular?

THE FOUR IN HAND TIE KNOT This is one of the simpler styles of tie knots, also known as the simple knot, or the schoolboy knot. It was at the peak of its popularity in the 19 th and the beginning of the 20 th century. This knot is the least formal of the 3 so far and is best worn for less formal occasions.

What is the “perfect” knot?

When asked what the “perfect” knot is, it can only be answered in one way: it depends on the width of the tie, on the fabric and, above all, on the consistency of the interior. In order to choose the right knot, it is therefore important first of all we have to understand how the tie chosen tie was made.

How many crossings does a knot have?

Looking at two knots that each have, say, 11 crossings—the Conway knot in this case, and a closely related “mutant” knot called the Kinoshita-Terasaka —knot theorists must try to answer a couple of key questions. Wolfram Alpha explains: 1.

What are the TM knot limits for dimension lumber?

This guide provides a quick reference to all the TM knot limits for grades No.1, No. 2 and No. 3; 2×4 through 2×12, Edge and Combination Knots. We also have these guides for the other grades of Dimension Lumber.

https://www.youtube.com/watch?v=XXNiFmAhHIg