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Gary Sims / Gary Explains

@garysims.bsky.social

242 followers 10 following 155 posts

Gary Sims, AKA Gary Explains. This account serves as a joint account for my personal "Gary Sims" posts and my posts related to "Gary Explains". 👍🏼

Posts Replies Media

Gary Sims / Gary Explains @garysims.bsky.social · 24/08/2026

In my video on the Xiaomi XRING O3 youtu.be/0Li3nafjVRE I guess that the new CPU is the successor to the Arm C1 because of the O3 has two SME2 units, but the C1 series only has one. However I just analyzed the die shot and I could be wrong.

Gary Sims / Gary Explains @garysims.bsky.social · 03/08/2026

OpenAI has published a blog post about how GPT-5.6 is being used to autonomously rewrite its own GPU kernels, the core code that executes the mathematical operations that make up the model: youtu.be/TRsuF95Boi4

AI Is Already Coding Itself!

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Gary Sims / Gary Explains @garysims.bsky.social · 22/07/2026

OpenAI has admitted that its models caused an "unprecedented cyber incident" by breaking out of its sandbox so that it could hack "Hugging Face's production infrastructure to obtain test solutions directly from Hugging Face's production database." youtu.be/uqL9FZa8abM

OpenAI’s Model Breaks Out of Lab and Hacks Hugging Face

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Gary Sims / Gary Explains @garysims.bsky.social · 21/07/2026

The Linux file system Btrfs includes several cool features including snapshots. You can use snapshots as part of your backup strategy and when combined with RAID then you are on the right path to fully protecting your data: youtu.be/22cj8WnAqdA

Build a Nearly Bulletproof Backup Strategy with Btrfs & Snapshots

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Gary Sims / Gary Explains @garysims.bsky.social · 16/07/2026

SpaceXAI releases Grok Build as open source after major privacy blunder that ruined confidence in the service. Following yesterday's revelations that Grok Build was uploading code to a private Google Drive area, SpaceXAI has responded by making Grok Build open source: youtu.be/ofARXN_Wnzo

Privacy Disaster Pushes xAI to Open-Source Grok Build

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Gary Sims / Gary Explains @garysims.bsky.social · 15/07/2026

Grok Build has been shown to package an entire repository (including files it was told not to open and secrets deleted from history) and upload it to xAI's private Google Cloud Storage: youtu.be/5BxeibacXRo

Grok Build Steals Your Code and Uploads it to a Private Google Drive

YouTube video by Gary Explains

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Gary Sims / Gary Explains @garysims.bsky.social · 08/07/2026

PSA: All the Linux users ranting and raving about the Windows Globally Unique Identifier (GDID), go look in /etc/machine-id and tell me what you find. Also check out my script that shows you lots of globally unique data from your machine: github.com/garyexplains...

examples/linux_fingerprint_gdid.py at master · garyexplains/examples

Example code used in my videos. Contribute to garyexplains/examples development by creating an account on GitHub.

Gary Sims / Gary Explains @garysims.bsky.social · 02/07/2026

Microsoft has built Rowhammer protection directly into the Azure Cobalt 200's memory controller: youtu.be/hmixqc9H8QY

The Terrifying RAM Attack Microsoft Wants to Stop with Protection Built into the Azure Cobalt 200

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Gary Sims / Gary Explains @garysims.bsky.social · 21/06/2026

I hope to make a video about this soon... I got a sequence in the OEIS oeis.org/A396572 - Number of distinct states before repetition for a circular array of n distinct elements under repeated adjacent XOR operations. 🤓

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Gary Sims / Gary Explains @garysims.bsky.social · 02/06/2026

Is NVIDIA is trying to kill Intel and AMD for PCs and laptops? NVIDIA has launched new processors for Windows on Arm: youtu.be/aJ-KeXihFTY

NVIDIA is Trying to Kill Intel and AMD for PCs and Laptops!

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Gary Sims / Gary Explains @garysims.bsky.social · 28/05/2026

If you run a local LLM there are some interesting parameters that control creativity and craziness! In this video, I explain the key parameters that control how local large language models generate text, including temperature, top-k, top-p, etc: youtu.be/MkaazQttbpc

The Secret Controls for your LLM: Temperature, Top-K, Top-P, etc

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Gary Sims / Gary Explains @garysims.bsky.social · 05/05/2026

So it looks like YouTube has gone bananas. I got a demonetization notice for a video about how to make a Windows app go full screen. I show VLC and how to make it full screen. There is a movie playing but only the Universal logo is actually shown.

Gary Sims / Gary Explains @garysims.bsky.social · 28/04/2026

Ubuntu 26.04, code named "Resolute Raccoon", was released a few days ago with GNOME 50, Linux kernel 7.0, and long term support. Here is a full desktop tour to help you get started. youtu.be/xuy2fvaf7mA

Is Ubuntu Easier to Use Than Windows 11? Ubuntu 26.04 Desktop Tour

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Gary Sims / Gary Explains @garysims.bsky.social · 23/04/2026

Get ready for the next era of the Linux desktop with Ubuntu 26.04 LTS "Resolute Raccoon"! In this video, I'll diving into all the big changes. Plus I will talk about the Linux 7.0 kernel and the LTS nature of Ubuntu 26.04. youtu.be/7F7LYyqDMtY

Ubuntu 26.04 - Linux Kernel 7.0 and Support Until at Least 2031

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Gary Sims / Gary Explains @garysims.bsky.social · 16/04/2026

Did you know you're using an algorithm called a hash function hundreds of times every single day without even realizing it? From logging into your favorite apps, to securing your passwords, hash functions are the invisible backbone of the modern internet: youtu.be/UY3fpJmh75c

Hash Functions: The Mind-Blowing Tech You Depend On Every Single Day Without Realizing It

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Gary Sims / Gary Explains @garysims.bsky.social · 04/03/2026

Apple has unveiled the MacBook Neo, a 13‑inch laptop with the A18 Pro processor. It comes in four colors (blush, indigo, silver and citrus) and starts at $599: hungrypenguin.net/macbook-neo-...

hungrypenguin.net

MacBook Neo: Apple’s New Budget‑Friendly Powerhouse

Apple unveiled the MacBook Neo, a 13‑inch laptop that blends a sleek aluminum chassis with a vibrant Liquid Retina display, Apple‑silicon performance and all‑day battery life—all starting at $599 f…

Gary Sims / Gary Explains @garysims.bsky.social · 04/03/2026

The Apple M5 Pro and M5 Max are not just another reiteration of the Pro/Max lineup. These two processors are fundamentally different to anything that Apple has released until now. youtu.be/zZfTvNMiAPk

You Won’t Believe How Apple Designed the M5 Pro & Max (Chiplets!)

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Gary Sims / Gary Explains @garysims.bsky.social · 03/03/2026

A "headless" Raspberry Pi has no monitor, keyboard, or mouse. You access it remotely. So it isn't a disconnected Raspberry Pi, but rather a connected Raspberry Pi without its "head". In this video I will show you 4 ways to set up a headless Raspberry Pi. youtu.be/-aYKWZ241oA

No Monitor Needed! 4 Easiest Ways to Set Up a Headless Raspberry Pi

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Gary Sims / Gary Explains @garysims.bsky.social · 03/02/2026

The Ralph Wiggum technique is a way to run an AI coding agent in a loop until it successfully finishes all of its tasks. In this video I explain the methodology and show you are real world demo where I get Ralph to code a basic MQTT server: youtu.be/A6vYr0dmQAY

This Simpsons Character Just Replaced an Entire Dev Team (Ralph Wiggum Hack)

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Gary Sims / Gary Explains @garysims.bsky.social · 30/01/2026

One of the keys to using OpenClaw (AKA Clawdbot/Moltbot) is to install it on a machine that is up 24/7, so that your AI assistant can work for you even when you sleep. The Raspberry Pi is perfect for running 24/7, which means it is perfect for OpenClaw! youtu.be/qePhufA1hSE

I use Clawdbot (OpenClaw) on a Raspberry Pi - it's Crazy Good!

YouTube video by Gary Explains

Gary Sims / Gary Explains @garysims.bsky.social · 24/01/2026

It seems like the SPAM filters in Gmail have stopped working. I am getting lots of SPAM in my inbox. Gmail sees they are suspect and shows the option to "Report as SPAM", but they are in my inbox, not in the SPAM folder. Anyone else seeing this?

Gary Sims / Gary Explains @garysims.bsky.social · 19/01/2026

The way to run Windows apps on Linux that Microsoft hopes you never find out! youtu.be/z5r68PLlXgw

Winboat: Run Any Windows App on Linux!

YouTube video by Gary Explains

Gary Sims / Gary Explains @garysims.bsky.social · 16/01/2026

Pillama is my new open source tool for interacting with LLMs on the AI HAT+ 2. The new HAT from Raspberry Pi uses the Hailo AI accelerator and offers a REST API via Hailo-Ollama. Pillama offers chatting & model management, in a single command line tool: youtu.be/rWXOeiLQv-I

Unlock the Power of LLMs on Your Raspberry Pi & AI HAT+ 2 with My New Open Source Tool!

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Gary Sims / Gary Explains @garysims.bsky.social · 15/01/2026

Let's dive into the new Raspberry Pi AI Hat+ 2. I'll show you how to run a LLM on this new board. It is easy with my own project called Pillama. Finally, I'll reveal the performance numbers, showing the toks/s generated by the CPU alone vs the AI HAT+ 2: youtu.be/si6e5kmLbWc

Raspberry Pi AI HAT+ 2: Setup with Pi 5 & LLM Performance

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Gary Sims / Gary Explains @garysims.bsky.social · 23/12/2025

The end of the year is nigh. With 2026 beckoning, I wanted to take a moment to cover my most popular videos of 2025 and ask you about 2026: youtu.be/GWyHRX3r1nk

End of Year Recap: My Most Popular Videos of 2025

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Gary Sims / Gary Explains @garysims.bsky.social · 17/12/2025

Did you know that NVIDIA also builds its own AI models! NVIDIA has just unveiled the Nemotron 3 family of open models, including Nemotron 3, a model you can run on your PC if you have decent NVIDIA gaming GPU: youtu.be/8gFAuYxJZ-A

NVIDIA Just Dropped a FREE AI Model That You Can Run on Your PC - Nemotron 3 Nano

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Gary Sims / Gary Explains @garysims.bsky.social · 08/12/2025

The TerraMaster F4-425 Plus is a hybrid NAS unit, with an Intel N150 CPU, 16GB of DDR5 RAM, and 2x5GbE ports. There is space for 4x hard drives, and 3x NVMe drives (M.2). The result is a NAS unit that can double as a home lab server with juice to spare! youtu.be/9jKlDCnk-mM

TerraMaster F4-425 Plus - A Hybrid NAS That Doubles as a Home Lab Server

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Gary Sims / Gary Explains @garysims.bsky.social · 01/12/2025

Copyparty: The File Server I wish I discovered years ago! youtu.be/56gwswWAIdM

Copyparty: The File Server I Wish I Discovered Years Ago

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Gary Sims / Gary Explains @garysims.bsky.social · 26/11/2025

Google has released Gemini 3 Pro and it is specifically designed to steal ChatGPT 5.1's crown. But can it? In this video I test ChatGPT 5.1 against Gemini 3 Pro and discuss a hot take on this battle between OpenAI and Google: youtu.be/fpnhv_kdzew

ChatGPT 5.1 vs Gemini 3 Pro: Can Google Beat OpenAI at its Own Game?

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Gary Sims / Gary Explains @garysims.bsky.social · 26/11/2025

I am doing a video on Gemini 3 Pro vs ChatGPT 5.1 and at one point I asked myself this.

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Gary Sims / Gary Explains @garysims.bsky.social · 19/11/2025

Apple, Qualcomm, & MediaTek have all launched processors recently. Devices are now available. In this video I compare the performance numbers for the Apple A19 Pro, the Qualcomm Snapdragon 8 Elite G5, and the MediaTek Dimensity 9500: youtu.be/CRtOtKGiHEc

Apple A19 Pro vs Snapdragon 8 Elite G5 vs Dimensity 9500: Peak Performance and Sustained Performance

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Gary Sims / Gary Explains @garysims.bsky.social · 17/11/2025

In this video I take a look at three modern and friendly Linux distros that you probably haven't heard of, but you should certainly try! These distros deserve some respect and I intend to give it to them! My list is Solus, KaOS, and Linux Lite: youtu.be/B0gioQQOAgw

3 Linux Distros You Haven’t Heard of But You Should Try

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Gary Sims / Gary Explains @garysims.bsky.social · 12/11/2025

Rust is now officially supported in the Raspberry Pi Pico extension for Visual Studio Code! In this video, I'll show you how the new Rust integration works, and how to set it up: youtu.be/bbyk-9z2VRY

The Raspberry Pi Pico Now Has Official Rust Tools - Here’s How it Works

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Gary Sims / Gary Explains @garysims.bsky.social · 11/11/2025

The Libernovo Omni chair could be everything you are looking for in an ergonomic office chair. It has certainly become my favorite chair, ever! If you are a programmer or a content creator, you should check this out! youtu.be/xUyT5EhQBGE #sponsored

LiberNovo Omni is a Total Game-Changer for Programmers, Gamers, and Content Creators

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Gary Sims / Gary Explains @garysims.bsky.social · 30/10/2025

The Arduino Uno Q is an SBC, and so is the Raspberry Pi. But which one should you buy? Which one is better for you? In this video I look at the features, performance, and price of these boards to help you pick the best board for you youtu.be/9wspsEO1WeA

Arduino Uno Q vs Raspberry Pi - Which One Should You Buy?

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Gary Sims / Gary Explains @garysims.bsky.social · 24/10/2025

In this video, I show you how to connect up the @arduino Uno Q to a monitor, mouse, and keyboard, using the onboard USB-C port. Once booted, I take you on a tour of the Linux Desktop. youtu.be/bKWIQc1lpE0

Arduino Uno Q: Linux Desktop Tour

YouTube video by Gary Explains

Gary Sims / Gary Explains @garysims.bsky.social · 22/10/2025

I installed ChatGPT Atlas to see what the hype is all about, but honestly, I’m confused. In this video, I share my raw, unfiltered experience trying out ChatGPT Atlas. Is it overhyped, or am I missing something? Watch to find out why I struggle to get it: youtu.be/R1m8XaCepAY

OpenAI's New ChatGPT Atlas Web Browser: Why I’m Totally Confused!

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Gary Sims / Gary Explains @garysims.bsky.social · 20/10/2025

The M5 brings a 10-core GPU with a Neural Accelerator in each core, delivering up to 4x the peak GPU compute performance (vs M4). This is coupled with a 10-core CPU (6e+ 4p) for up to 15% faster multithreaded performance. Here is my Apple M5 Deep Dive: youtu.be/oVhSPeGkfaI

Apple M5 Deep Dive - Apple Adds GPU Compute and PCIe 5.0 NVMe

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Gary Sims / Gary Explains @garysims.bsky.social · 15/10/2025

Windows 10 has reached its end of life. An estimated 240 million computers don’t meet Windows 11's strict hardware requirements. Many users are faced with the choice of either buying a new computer soon or switching to Linux! youtu.be/iGyhOCxPkjA

How Zorin 18 Could Replace Windows 10 on Your PC

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Gary Sims / Gary Explains @garysims.bsky.social · 13/10/2025

Linux Mint Walkthrough - A desktop tour for beginners: youtu.be/W4eJvmEIEac

Linux Mint Walkthrough: Desktop Tour for Beginners!

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Gary Sims / Gary Explains @garysims.bsky.social · 08/10/2025

I just ordered an Arduino UNO Q! It won't be arriving for a couple of weeks. I'll do a full review. In the meantime, let me know if you have any specific questions you'd like me to explore. I'll do my best to answer them once I have the board.

Gary Sims / Gary Explains @garysims.bsky.social · 02/10/2025

A new version of Raspberry Pi OS has been released. It upgrades the base OS from Debian 12 to 13. There is a new theme (with new icons & a new wallpaper), plus there is a new control centre: youtu.be/42cxemopuI0

New Version of Raspberry Pi OS Based on Debian 13 (Trixie)

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Gary Sims / Gary Explains @garysims.bsky.social · 25/09/2025

Here is the Raspberry Pi 500+, a Raspberry Pi 5 built right into a clicky mechanical keyboard. It has 16GB of RAM, a 256GB Raspberry Pi SSD pre-installed for lightning-fast I/O, and individually addressable RGB LEDs for that perfect keyboard glow! youtu.be/de189v1ysik

Raspberry Pi 500+ Review - Mechanical Keyboard, 16GB RAM, 256 GB SSD

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Gary Sims / Gary Explains @garysims.bsky.social · 22/09/2025

The MediaTek Dimensity 9500 is here! Featuring a 4.21GHz C1-Ultra core, faster ray tracing, next-gen AI, and UFS 4.1 storage. This 30 billion transistor chip will power flagship 5G smartphones, starting Q4 of 2025 and into 2026: youtu.be/7maZY0lBNcU

MediaTek Dimensity 9500 - All Big Core CPU design with Arm C1-Ultra at 4.21GHz

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Gary Sims / Gary Explains @garysims.bsky.social · 10/09/2025

Here is my deep dive into Arm's C1-Ultra and C1-Premium CPU cores. The new cores offer a double-digit IPC gain, year-on-year; and up to 25% single-thread performance increase in benchmarks like Geekbench, once you factor in the higher clock speeds enabled by 2nd gen 3nm. youtu.be/U1tPpV0RWNw

Inside Arm's New C1‑Ultra CPU: Double‑Digit IPC Gains Again!

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Gary Sims / Gary Explains @garysims.bsky.social · 10/09/2025

Arm has launched 4 new CPU cores and a new GPU. The new C1 series of CPU cores offer the tantalizing prospect of a 45% multi-core performance boost in Geekbench, and an AI boost due to SME2. The new GPU has an improved Ray Tracing Unit with twice the speed! youtu.be/7-ZW1LnKJ60

New Arm CPUs and GPUs: Up to 45% Faster, Double the Ray-Tracing Speed, and SME2

YouTube video by Gary Explains

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Gary Sims / Gary Explains @garysims.bsky.social · 25/08/2025

The NVIDIA Jetson AGX Thor Development Kit is here. With 2560 Blackwell-based CUDA cores, 14 Arm Neoverse CPU cores, and 2070 TFLOPS of AI performance, the Jetson Thor is great for physical AI, robotics, and generative AI workloads: youtu.be/wzPe8OMVn9c

Jetson Thor Development Kit: A Supercomputer for Physical AI and Robots

YouTube video by Gary Explains

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Gary Sims / Gary Explains @garysims.bsky.social · 20/08/2025

Microsoft has added Markdown to its 40-year-old Notepad app. In this video, I take a look at the new app and cover the basics of Markdown so you can master Microsoft's latest features and learn how to use Markdown everywhere on the Internet: youtu.be/U9CovtVCuoQ

Microsoft Notepad Now Supports Markdown: Learn How to Use It!

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Gary Sims / Gary Explains @garysims.bsky.social · 08/08/2025

ChatGPT 5 has finally been released. Here's a quick rundown of 5 truly amazing features that showcase the advancements in this new iteration, and, to provide a balanced perspective, I also cover 3 aspects that might not be quite as impressive as the rest: youtu.be/A-3VMvLMyxs

5 Things About ChatGPT 5 That Are Brilliant – And 3 That Aren't

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Gary Sims / Gary Explains @garysims.bsky.social · 06/08/2025

I pitted the RISC-V CH32 microcontroller against several different ARM Cortex CPU cores to determine which delivers the best performance and power efficiency. I compare the Adafruit QT Py CH32V203 with the Raspberry Pi Pico 1 & 2, and the Arduino Nano R4: youtu.be/ULPjJnwPyX4

RISC-V CH32 vs ARM Cortex: Who Wins in Speed & Power?

YouTube video by Gary Explains