Ciro Santilli @cirosantilli 37

Piezoelectric, and notably used in quartz clock.

In this section we will gather some more advanced ideas besides the basic features described at how the website works.

This is a good project. Limited scope to 2D card-like games, but very good within that scope.

Ciro Santilli used it for the 2D version of his Ciro's 2D reinforcement learning games.

Fusion power could be the next big thing.

Most promising approaches as of 2020:

Ciro Santilli is mildly obsessed by nuclear reactions, because they are so quirky. How can a little ball destroy a city? How can putting too much of it together produce criticality and kill people like in the Slotin accident or the Tokaimura criticality accident. It is mind blowing really.

Uranium vs plutonium: Section "Uranium vs plutonium Quora answer by Ciro Santilli".

More fun nuclear stuff to watch:

Understand and explain amazingly every single Nobel Prize in physics, chemistry and biology. Since in particular the Nobel Foundation is unable to do that for any at all, especially of the key old ones, e.g. www.nobelprize.org/prizes/physics/1965/summary/. Hopeless.

To be fair, those in theoretical physics at least basically come down to reading a bunch of books. But perhaps anything slightly more experimental could have

In the context of wave-like equations, an open-boundary condition is one that "lets the wave go through without reflection".

This condition is very useful when we want to simulate infinite domains with a numerical method. Ciro Santilli wants to do this all the time when trying to come up with demos for his physics writings.

Here are some resources that cover such boundary conditions:

Members of the orthogonal group.

Linear map of two variables.

More formally, given 3 vector spaces X, Y, Z over a single field, a bilinear map is a function from:that is linear on the first two arguments from X and Y, i.e.:Note that the definition only makes sense if all three vector spaces are over the same field, because linearity can mix up each of them.

The most important example by far is the dot product from ${\mathbb{R}}^n\times {\mathbb{R}}^n\to \mathbb{R}$, which is more specifically also a symmetric bilinear form.

Implies antisymmetric multilinear map.

For an example with context, have a look at E. Coli K-12 MG1655 and the second protein of the genome, e. Coli K-12 MG1655 gene thrA.

The period does depend on the initial height/angle, except for the very small angle approximation: