Dominoes are a family of tile-based games. They consist of rectangular tiles with square ends marked with a number of spots. Each spot represents a possible result. If you can get all the dominoes in a row, you’ve won. To learn more about the domino game, read our article Falling dominoes simulate the transmission of signals in a neuron.

## Falling dominoes simulate signal transmission in a neuron

A game of falling dominoes can mimic the way electrical impulses travel through a neuron. Using the game of dominoes, students can explore how the nervous system works. The dominoes simulate the signal-transmission process by triggering a chain reaction.

The signal-transmission process in a neuron involves the release of sodium and potassium ions in a neuron. These ions are then transported through the axon, where they are evaluated. If the excitatory inputs exceed the inhibitory inputs, a signal called an action potential is sent down the axon.

## Rules

There are many variations of the game of domino, each with its own unique set of rules. But in general, the goal is the same: to construct an empty hand. Often, doubles are placed anywhere on the board, but do not necessarily form a line. In some versions, players are allowed to block one direction of the line with doubles.

These variations can be complex or simple, and can be played with two or more people. The most simple version is the four-player game, in which all the tiles are dealt to the players. It is popular in Latin America, Spain, and other regions.

## Variations

There are hundreds of variations of the domino game. A standard game involves two players holding seven tiles. The goal is to place a tile on the opponent’s tile and earn points. Other variations include the five-up and Crazy games. The five-up version is played with multi-colored tiles, and in the game of Crazy, a player can place branches of different colors in one column, making it easier for opponents to see which tiles are worth more.

Another variant of domino is the “All Fives” game. The goal is to score a multiple of five. Double six tiles are the easiest tiles to score, and they usually earn the most points. However, when playing these tiles, players should be careful not to get swayed by other players’ moves.

## Ben Barres’ domino theory

Ben Barres was the first transgender man elected to the National Academy of Sciences. After publishing an essay in Science, he received thousands of emails from women scientists. He never had children but considered his colleagues to be his extended family. His research helped develop the domino theory, which is now considered a ground-breaking theory of science.

Scientists have long known about the domino effect, but only now are they studying the physics behind it. Ben Barres, a neurologist at Stanford University, made significant contributions to the study of signals in the brain. In particular, he studied the regeneration of the spinal cord and optic nerves. His studies also highlighted the importance of electrical signaling in neurons.