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If I was not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music. ... I cannot tell if I would have done any creative work of importance in music, but I do know that I get most joy in life out of my…
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Physics In History
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If I was not a physicist, I would probably be a musician. I often think in music. I live my daydreams in music. I see my life in terms of music. ... I cannot tell if I would have done any creative work of importance in music, but I do know that I get most joy in life out of my violin.
-- A. Einstein explaining his love for music in an interview in 1929.
📷photographed by E. O. Hoppe
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This is "Sequential Dexterity", a neural network that controls a robot arm to build legos given a manual 🤖
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This is "Sequential Dexterity", a neural network that controls a robot arm to build legos given a manual 🤖
To do this task, the robot needs to chain together multiple skills (grasping, re-orienting, pushing, etc.) and execute without compounding error.
I find some very simple…
时政
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twitter.com)
00:00:46
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Ukraine and Sweden have more in common than just flag colours. Centuries of common history, a common current strength, and a future in a safe and free Europe.
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Ukraine and Sweden have more in common than just flag colours. Centuries of common history, a common current strength, and a future in a safe and free Europe.
This is what Ukraine is fighting for, with Sweden’s strong support.
I thank the Swedish Royal Family, Prime Minister…
时政
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twitter.com)
00:01:17
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“Starship is 2.5 times the thrust of a Saturn V. Saturn V was the largest rocket ever to reach orbit. This is 2.5 times more power than that, and we build one a month. And they're meant to be reusable.
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“Starship is 2.5 times the thrust of a Saturn V. Saturn V was the largest rocket ever to reach orbit. This is 2.5 times more power than that, and we build one a month. And they're meant to be reusable.
We're talking about something that ultimately, as a system, is thousands of
btc
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twitter.com)
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Antonio Enriquez, 53, was walking to a Melrose Park store last month when agents demanded to see his documents. He told them they were a few blocks away at his home, pleading “Vamos a mi casa. Let’s go to my house.”
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Antonio Enriquez, 53, was walking to a Melrose Park store last month when agents demanded to see his documents. He told them they were a few blocks away at his home, pleading “Vamos a mi casa. Let’s go to my house.”
But the agents ignored him.
The feds took Enriquez to the
时政
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twitter.com)
00:01:47
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Grok 4.1 Fast just made a nearly 3X jump in long-context accuracy
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Grok 4.1 Fast just made a nearly 3X jump in long-context accuracy
A key challenge for AI models is that as chats get longer, most AIs forget. They lose the thread, make stuff up, or drop instructions.
Grok 4.1 Fast fixes this. And it’s a huge deal.
It was specifically trained
btc
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twitter.com)
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X Freeze
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