Lenia is a software tool developed by [[Bert Wang-Chak Chan]] for studying artificial life and cellular automata. It is specifically designed to explore the emergence of complex and lifelike behaviors in simple computational models.
[[Particle Lenia]]

One can try out the demo here: http://znah.net/lenia/
# Lenia comes from Lens-like Cellular Automata
The name "Lenia" comes from "lens-like [[cellular automata]]," which reflects its focus on the interaction between cells in a grid-like environment. Lenia can be thought of as a type of continuous cellular automaton, where each cell's state is continuously valued rather than discrete. This allows for smooth and fluid transitions between states, giving rise to visually appealing patterns and dynamic behaviors.
One of the key features of Lenia is its ability to exhibit self-organization, meaning that complex patterns and structures emerge naturally from simple rules governing cell behavior. These rules are based on local interactions between neighboring cells, similar to traditional cellular automata. However, Lenia introduces additional parameters that control the strength and range of these interactions, allowing for a wide range of behaviors to be generated.
Lenia provides a graphical interface where users can interact with the system in real-time. Users can adjust various parameters such as cell density, interaction strengths, and boundary conditions to explore different behaviors. The visual feedback provided by Lenia allows users to observe how changes in parameters affect the overall dynamics and patterns that emerge.
Lenia has been used for various purposes in scientific research, including the study of pattern formation, morphogenesis, evolution, and artificial intelligence. Its ability to generate visually captivating patterns makes it a useful tool not only for scientists but also for artists interested in generative art.
## Lenia utilize GPU technologies
Yes, [[Lenia]], the artificial life project by [[Bert Chan]] does utilize GPU technologies in its programming approach. The project is built on the idea of simulating complex patterns and behaviors using cellular automata. To achieve real-time interactivity and speed up the simulations, Lenia takes advantage of the parallel processing capabilities of GPUs (Graphics Processing Units) to perform computations in parallel across multiple cores. This allows for faster execution and enables Lenia to generate intricate patterns and animations in real time.
## How is Lenia related to Neural Network?
Please watch the following video for 3 minutes, then continue reading.

The same Youtube Channel also hosts a website on [[The Life Engine]]. See [[@HowLifeEngine2021|How the Life Engine works]] and the following video:
![[@CellThatKills2023]]
See [[The Life Engine#Relation with Lenia]]
While both Continuous Cellular Automata (CCA) and neural networks/deep learning are powerful computational models, they approach problem-solving with distinct perspectives and strengths. Here's a breakdown of their relationship, exploring areas of synergy and potential connections:
**Continuous Cellular Automata (CCA):**
- **Decentralized, local computations:** Each cell in a CCA grid interacts only with its immediate neighbors, following simple rules that determine its next state. This local interaction gives rise to complex global patterns.
[Opens in a new window](https://www.wolframscience.com/nks/p158--continuous-cellular-automata/)[www.wolframscience.com](https://www.wolframscience.com/nks/p158--continuous-cellular-automata/)
Continuous Cellular Automata
**Models of computation like Lenia:**
- **Symbolic manipulation:** Lenia, as an example, focuses on processing symbols and rules to evolve complex structures and behaviors. It operates on discrete steps with well-defined states and transitions.
[Opens in a new window](https://deepai.org/publication/lenia-biology-of-artificial-life)[deepai.org](https://deepai.org/publication/lenia-biology-of-artificial-life)
Lenia model of computation
**Neural Networks and Deep Learning:**
- **Distributed representation and learning:** Deep learning models represent information in layers of interconnected neurons, where each neuron performs simple calculations based on its inputs. Through learning algorithms, they adjust their weights to capture complex relationships in data.
[Opens in a new window](https://www.v7labs.com/blog/neural-network-architectures-guide)[www.v7labs.com](https://www.v7labs.com/blog/neural-network-architectures-guide)
Neural network architecture
**Connections and Synergies:**
- **Emergence of complex behavior:** Both CCA and deep learning systems can exhibit emergent behavior, where the whole system displays properties not easily predictable from individual components.
- **Learning and adaptation:** Some CCA models and deep learning variants incorporate learning mechanisms, allowing them to adjust their rules or weights based on experience.
- **Modeling biological systems:** Both approaches can be used to model various biological phenomena, such as neural activity, cellular development, and population dynamics.
**Key Differences:**
- **Abstraction level:** CCA and Lenia operate at a lower level of abstraction, closer to the fundamental rules governing complex systems. Deep learning models often work at a higher level, extracting patterns from data without explicitly defining the underlying rules.
- **Interpretability:** CCA and Lenia models can be easier to interpret, as their rules are often more directly related to the system being modeled. Deep learning models can be more challenging to interpret due to their distributed nature and complex internal representations.
- **Flexibility:** Deep learning models generally offer greater flexibility in representing and learning complex relationships compared to CCA and Lenia, but at the cost of increased complexity and potential for overfitting.
**Potential Directions:**
- **Hybrid approaches:** Integrating CCA and deep learning models could leverage the strengths of both: CCA for representing local interactions and rules, and deep learning for capturing complex global patterns and learning from data.
- **Transfer learning:** Knowledge gained from trained deep learning models could be used to initialize or guide the learning process in CCA models, improving efficiency and performance.
- **Theoretical exploration:** Exploring the connections between these models could lead to new insights into the nature of computation and intelligence, potentially aiding in the development of more powerful and versatile AI systems.
In conclusion, while CCA, Lenia, neural networks, and deep learning share common ground in their ability to model complex systems, they differ in their underlying mechanisms, strengths, and limitations. Exploring their connections and potential synergies could lead to exciting advancements in artificial intelligence and computational modeling.
# The plan to use Lenia in ABC Curriculum
I plan to use [[Lenia]] in [[ABC curriculum]] by using every cell as an apex in the narrow waist of the [[Hourglass Model]]. This provides a visual depiction of where causation starts and ends. This is a way to visualize and explain the notion of [[interacting kernels]]. Then, I plan to have the code base for all the cell's interaction rules to be coded up in something like [[WebGPU]] language, or [[Rust]], so that users will have access to low level machine specifications, and squeeze out the best possible performance by thinking in low level data structures.
# Conclusion
Overall, Lenia provides an accessible platform for studying artificial life and cellular automata by allowing users to experiment with different parameters and observe emergent behaviors. Its visual nature makes it an engaging tool for both scientific exploration and creative expression.
# References
```dataview
Table title as Title, authors as Authors
where contains(subject, "Lenia")
```