Adam Marblestone

@AdamMarblestone

Technologist, Scientist

Joined February 2009

Media

  1. Jan 29
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  2. Jan 29

    Also this is my childhood dog, finally explaining why the Doge meme triggered such a profound response in me

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  3. Jan 29

    Rare non-science tweet due to recent archival discovery: Photographic evidence strongly suggests my personality development peaked around age 11, and has slowly declined since. Note my offering the cat an entire McDonalds hamburger and putting the rat in my bro’ hat.

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  4. Replying to and

    (With these bits he basically sets the stage for 6 years later saying BP is an “intrinsic gradient“ system and then generalized that concept to other dynamics like specific kinds of RNNs...)

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    3) my favorite, highly specific internal loss functions

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    This looks pretty good though, no?

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    I love how you use this as a way of bounding pessimism without anchoring too much on the specifics — it’s hard to get people thinking along those lines! FWIW, (thermodynamic entropy of mixing bound) x (reasonable price of energy) does seem to be below $10/tonne for DAC itself:

  8. Neither of these is a perfect example of what David is asking for. But as Konrad and Greg and I wrote in 2016, the use of backprop like credit assignment signals internally does not imply a monolithic end to end training from a single objective...

  9. Replying to and

    Konrad and I tried to say similarly in 2016 but probably nobody read to page 38...

  10. Cats are too lazy to solve climate change. This one just wants to lie on the shelf above the treats jar. But you needn’t be that way. That’s why you will understand what would be technologically necessary.

  11. If you like beautiful cats, it is possible you may also like this blog post running numbers for essentially all known approaches to large-scale carbon sequestration from the atmosphere:

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  12. Reminds me of this oldie-but-goodie, from some of the same people circa 2012: (Not RL or agent based.)

  13. RE "synthetic meat", has anyone followed up, since 1984, on this expired patent wherein extract of spirulina algae serves as an animal-product-free medium for growing mammalian cells?

  14. Long term this is key to brain interface, and so many other areas... glad to see interest in *platform* tech for delivery and human cell engineering:

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  15. Loving the new lab website laying out value propositions for solving many of the world's biggest problems with bio-sci/tech:

  16. Replying to and

    Or the fact that the "action" from time t-1 is both encoded and decoded in from

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