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Yun-Ta Tsai

@yunta_tsai • 152,277 subscribers

Sr. Staff Engineer @Tesla_AI

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Grok Grok Bot now passes the DOOM test. It ported the entire DOOM to ESP32-S running at a high frame rate without trouble.

Grok Grok Bot now passes the DOOM test. It ported the entire DOOM to ESP32-S running at a high frame rate without trouble.

6,206,840 views

Casually using Grok Grok Imagine to one-shot sword fight scene in the bamboo forest (5 mins). Pretty good for the first try.

Casually using Grok Grok Imagine to one-shot sword fight scene in the bamboo forest (5 mins). Pretty good for the first try.

6,049,280 views

No words can capture these experiences, even for someone familiar with every line of code and every piece designed and assembled by dedicated teams. The sweat and the tears. Thank you everyone for making the dream come true. 🙏

No words can capture these experiences, even for someone familiar with every line of code and every piece designed and assembled by dedicated teams. The sweat and the tears. Thank you everyone for making the dream come true. 🙏

55,203 views

Grok Build the Chinese handwriting app from my phone. Prompt: “Let’s add a writing practice section where you practice writing phrases word by word, following the correct stroke order before moving to the next stroke. If the wrong order or wrong stroke is performed, it should teach the user the right form and order. Make it fun like a game (inspired by dancing and/or musical drum games when hitting the right pose or beat). If you have a perfect form, show some visual from bad to perfect.”

Grok Build the Chinese handwriting app from my phone. Prompt: “Let’s add a writing practice section where you practice writing phrases word by word, following the correct stroke order before moving to the next stroke. If the wrong order or wrong stroke is performed, it should teach the user the right form and order. Make it fun like a game (inspired by dancing and/or musical drum games when hitting the right pose or beat). If you have a perfect form, show some visual from bad to perfect.”

22,402 views

We actually had one car that could shoot laser 😆

We actually had one car that could shoot laser 😆

62,223 views

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Three months later, Grok’s progress is amazing, and Grok Bot makes it even more powerful and easier to use. This is the fidelity using the same prompt: “Explain Navier-Stokes equation and how it relates to airfoil design with actual fluid dynamics simulation.”
3:23
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Three months later, Grok’s progress is amazing, and Grok Bot makes it even more powerful and easier to use. This is the fidelity using the same prompt: “Explain Navier-Stokes equation and how it relates to airfoil design with actual fluid dynamics simulation.”

Yun-Ta Tsai

4,874,648 views • 18 days ago

I asked Grok Grok Bot to explain rank, spectral power, and optimization in geometrical terms, and compare them with Adams, Muons, and Aurora. Below is the result. If you have any suggestions on how to make this video better and more intuitive, please comment below. My Grok Grok Bot will pick them up and incorporate your ideas.
4:22
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I asked Grok Grok Bot to explain rank, spectral power, and optimization in geometrical terms, and compare them with Adams, Muons, and Aurora. Below is the result. If you have any suggestions on how to make this video better and more intuitive, please comment below. My Grok Grok Bot will pick them up and incorporate your ideas.

Yun-Ta Tsai

2,375,423 views • 21 days ago

Two months ago I was testing Grok Grok Imagine to make the Battle of Red Cliffs (赤壁之戰). Now in Grok Grok Bot you can spin up a director, screenwriter, music producer, and cinematographer to create a cinematic movie trailer in one shot. Attached the only prompt I gave to Grok Grok Bot and the rest was autonomous.
1:42
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Two months ago I was testing Grok Grok Imagine to make the Battle of Red Cliffs (赤壁之戰). Now in Grok Grok Bot you can spin up a director, screenwriter, music producer, and cinematographer to create a cinematic movie trailer in one shot. Attached the only prompt I gave to Grok Grok Bot and the rest was autonomous.

Yun-Ta Tsai

814,429 views • 11 days ago

I made a video about what happens when you execute `c = a @ b` in PyTorch, from the code to silicon. Hopefully it will help you appreciate that simple line of code more. Made by Grok Grok Bot. Enjoy!
6:15
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I made a video about what happens when you execute `c = a @ b` in PyTorch, from the code to silicon. Hopefully it will help you appreciate that simple line of code more. Made by Grok Grok Bot. Enjoy!

Yun-Ta Tsai

772,165 views • 12 days ago

Attempt to use Grok Build to visualize some physics concepts for education. Prompt: "I want you to explain Navier-Stokes equations and how it relates to airfoil design. visualize this with math-manim tool"
1:03
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Attempt to use Grok Build to visualize some physics concepts for education. Prompt: "I want you to explain Navier-Stokes equations and how it relates to airfoil design. visualize this with math-manim tool"

Yun-Ta Tsai

7,230,794 views • 3 months ago

I gave Grok Grok Bot a link to the post below and asked it to take up the cinematography challenge. Direct the film entirely through the chat casually and nothing else. Pretty wild.
0:35
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I gave Grok Grok Bot a link to the post below and asked it to take up the cinematography challenge. Direct the film entirely through the chat casually and nothing else. Pretty wild.

Yun-Ta Tsai

598,395 views • 20 days ago

Curious about the journey from photons to the image or video on your phone? I made a video with Grok Grok Bot, Grok Imagine, and Voice explaining the physics and theory behind it—100% on my phone just chatting. Part I: photons to digital signal Part II: digital signal to pretty picture Pro tip for Grok Grok Bot: Ask it to QA every single frame before handing it back. It saves QA time so you can focus on high-level direction. All technical visualization, including relinearization of the video footage from Grok Grok Imagine to be physically accurate, is done by Grok Grok Bot. Update: added more technical details with higher quality encoding for completion.
8:05
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Curious about the journey from photons to the image or video on your phone? I made a video with Grok Grok Bot, Grok Imagine, and Voice explaining the physics and theory behind it—100% on my phone just chatting. Part I: photons to digital signal Part II: digital signal to pretty picture Pro tip for Grok Grok Bot: Ask it to QA every single frame before handing it back. It saves QA time so you can focus on high-level direction. All technical visualization, including relinearization of the video footage from Grok Grok Imagine to be physically accurate, is done by Grok Grok Bot. Update: added more technical details with higher quality encoding for completion.

Yun-Ta Tsai

455,902 views • 18 days ago

No words can capture these experiences, even for someone familiar with every line of code and every piece designed and assembled by dedicated teams. The sweat and the tears. Thank you everyone for making the dream come true. 🙏
0:07
yunta_tsai's profile picture

No words can capture these experiences, even for someone familiar with every line of code and every piece designed and assembled by dedicated teams. The sweat and the tears. Thank you everyone for making the dream come true. 🙏

Yun-Ta Tsai

55,203 views • 7 days ago

I once taught an image processing course at Tesla. Now I am sharing it with you here—the journey of photon-to-numeric, narrated by Grok Grok Bot.
7:07
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I once taught an image processing course at Tesla. Now I am sharing it with you here—the journey of photon-to-numeric, narrated by Grok Grok Bot.

Yun-Ta Tsai

130,249 views • 19 days ago

Grok Grok Bot can play the piano or any MIDI controller. I instructed it to compose in a romantic style with slow, soothing rhythms and play it on my Roland.
0:22
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Grok Grok Bot can play the piano or any MIDI controller. I instructed it to compose in a romantic style with slow, soothing rhythms and play it on my Roland.

Yun-Ta Tsai

12,551 views • 2 days ago

Grok 🤝 Cybercab When I hopped on the Cybercab, I didn’t even need to do anything; it already knew my Grok account.
0:27
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Grok 🤝 Cybercab When I hopped on the Cybercab, I didn’t even need to do anything; it already knew my Grok account.

Yun-Ta Tsai

14,952 views • 6 days ago

I asked Grok Grok Bot and Logic Pro to compose a multi-track symphony dedicated to Homer. Now you can vibe music with Grok Grok Bot.
6:01
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I asked Grok Grok Bot and Logic Pro to compose a multi-track symphony dedicated to Homer. Now you can vibe music with Grok Grok Bot.

Yun-Ta Tsai

16,006 views • 8 days ago

There's a lot of jargon from chip design to the actual die on the board. This 4-min video explains everything you need to know, including how light etches structures shorter than its wavelength. Made by Grok Grok Bot. Enjoy!
4:34
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There's a lot of jargon from chip design to the actual die on the board. This 4-min video explains everything you need to know, including how light etches structures shorter than its wavelength. Made by Grok Grok Bot. Enjoy!

Yun-Ta Tsai

19,011 views • 11 days ago

Nice thing about Grok Grok Bot is that you can throw any idea into the Grok Bot, even a backburner one. The Grok Bot will just implement it, waiting for you to review. Today I saw my kid struggling to understand how to break down a number into power sums, and I could not find a good video to explain it, so I asked the Grok Bot to make one. It even made a cheerful voice using the Grok voice API.
2:56
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Nice thing about Grok Grok Bot is that you can throw any idea into the Grok Bot, even a backburner one. The Grok Bot will just implement it, waiting for you to review. Today I saw my kid struggling to understand how to break down a number into power sums, and I could not find a good video to explain it, so I asked the Grok Bot to make one. It even made a cheerful voice using the Grok voice API.

Yun-Ta Tsai

26,737 views • 25 days ago

This time we will explore color space and its geometry. Color is an important part of vision. We use color to navigate the world, signal danger, and express ourselves. You might have heard of sRGB. What does it mean? Do human eyes really perceive RGB color? What’s the real color space versus the perceived one? All of these questions will be answered in this video. Enjoy! Again, made by Grok Grok Bot.
7:33
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This time we will explore color space and its geometry. Color is an important part of vision. We use color to navigate the world, signal danger, and express ourselves. You might have heard of sRGB. What does it mean? Do human eyes really perceive RGB color? What’s the real color space versus the perceived one? All of these questions will be answered in this video. Enjoy! Again, made by Grok Grok Bot.

Yun-Ta Tsai

12,326 views • 14 days ago

Grok Grok Bot visualized human migration using Grok Imagine to generate assets, then wrote the visualization of human migration. It also cut and edited the videos, making sure the message is coherent. Pretty good video editing tool just using chat.
4:40
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Grok Grok Bot visualized human migration using Grok Imagine to generate assets, then wrote the visualization of human migration. It also cut and edited the videos, making sure the message is coherent. Pretty good video editing tool just using chat.

Yun-Ta Tsai

13,404 views • 21 days ago

Another Zen calligraphy game made with the Grok app, with full stroke physics simulation on xuan paper. You don’t need to know Chinese; just relax and enjoy the writing.
0:21
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Another Zen calligraphy game made with the Grok app, with full stroke physics simulation on xuan paper. You don’t need to know Chinese; just relax and enjoy the writing.

Yun-Ta Tsai

13,413 views • 1 month ago

Build a financial education game for my kid from the Grok app.
0:45
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Build a financial education game for my kid from the Grok app.

Yun-Ta Tsai

10,638 views • 1 month ago

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