The hottest Simulations Substack posts right now

Maxis framed its games as open-ended "software toys" that let players set their own goals and explore creatively.
Their titles emphasized deep simulation and realism—SimCity 2000 was billed as almost impossible to turn off, and SimLife let players reshape land, climate, time, and physics.
The catalogs positioned Maxis as a broader cultural brand with merch and books, suggesting simulation games can be educational, imaginative, and ripe for a modern revival.

Simulators are valuable tools leveraged by inventors and engineers throughout history to test ideas quickly and gain insights into complex problems.
A robust software simulator has qualities like a simulated environment, scenarios, isolation, and automation, which can significantly speed up the software development process.
Software simulators allow testing how software performs in various scenarios, enabling faster delivery of high-quality products without the need for extensive manual testing.

DeepMind's SIMA 2 can create and interact with 3D environments, making it a big step for AI in gaming. It's like giving a computer the ability to play and learn just like humans do.
This AI uses a smart mix of different models to see, think, and act in these virtual worlds, similar to how people play games. It helps the AI improve itself by practicing and trying out different tasks.
SIMA 2 shows how we can build complex AI systems that work together, rather than developing them one piece at a time. This could change how we design future AI technologies.

A new technology called Differential Transformer helps improve language understanding by reducing noise and focusing on the important context, making it better for tasks that need long-term memory.
GPUDrive is an advanced driving simulator that works really fast, allowing training of AI agents in complex driving situations, speeding up their learning process significantly.
One-step Diffusion is a new method for creating images quickly without losing quality, making it much faster than traditional methods while still producing great results.

Following rules can be tough, especially in trading. Straying from common advice can lead to mistakes, like taking on too much risk or not using stop losses.
Taking on a large position without proper planning can result in big losses. It's essential to manage your trade size and understand the potential consequences of your decisions.
Trading simulations can be a fun way to learn, but they also have strict limits. It's important to adapt your strategies to fit the rules of the system you're using.

Get a weekly roundup of the best Substack posts, by hacker news affinity:

El Capitan is the fastest supercomputer, performing 1.742 quintillion calculations every second. This makes it much quicker than older systems.
It cost $600 million to build and is 22 times faster than the previous supercomputer, Sierra, letting scientists complete long simulations in just days.
This powerful machine helps with important tasks like climate change modeling and monitoring nuclear weapons, showcasing the U.S.'s strong tech capabilities in this area.

The post discusses implementing the SHA-3 Keccak round function using RISC-V Vector to evaluate speed
Keccak is based on a multi-round permutation process and involves steps like theta, rho, pi, chi, and iota
Vectorizing the steps in Keccak requires handling parallel operations and leveraging vector instructions effectively