roomey

Joined 10 years ago

Karma
1,254
Submissions
291
Member since
Nov 4
Writing and flying and incidents
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Recent submissions

Comment · 12 days ago
I'm on the same Firefox version on android and they are blocked now
Comment · 13 days ago
You got a ton of responses!

I am very much in agreement with you. What language do you do the design in?

I have hand written a bootstrap MD file in English, which guided a Greenfield implementation. Do you actually use a UML language?

I suspect there is a missing language (abstraction) here, English can be a bit unclear and ambiguous. Perhaps an AI dialect?

Comment · 2 months ago
A 3d printed ball like in the OPs video would only be less than 3grams I imagine.

Either way, the weight of the whip is hardly important right, as you are just doing an energy transfer from the falling weight into the small ball, the lighter the whip the better, as long as it doesn't break. If the whip is heavier, it will soak up the energy budget in momentum

Comment · 2 months ago
He is an excellent writer. Like one of these people who predict the near future in sci-fi.

The kill decision book is particularly apt at the moment.

Comment · 2 months ago
I think the fix is essentially a whip, that's what I meant by elasticity and flexibility.

If you want to accelerate a weight quickly in a single swipe, (simplified) gradually reducing the mass along the length of the whip imparts more kenetic energy at the end (the whip crack).

So the arm would no longer be rigid, although you can see in the OPs video it isn't actually fully rigid.

Comment · 2 months ago
Thinking this approach out, could someone correct me if I have this wrong.

So he gradually increases the energy transfer from the weight to the arm over the course of the drop. But that arm swinging around must have a lot of energy loss due to friction and air resistance.

This loss will rise exponentially with the speed increase right? So in a sense he is holding his energy budget in a very inefficient phase, with high losses.

Two things support this. A) he spent a lot of time trying to make the arm more arodynamic. B) The spool widening at the end, which is essentially changing back down gears, applying more torque, right at the end when you want speed.

An alternative would be to drop the weight, and let it fall unrestricted until it gets to it's highest speed (this would minimise friction and air resistance) and only at the end of its fall, transfer the energy into the arm.

In this case the arm would only need to rotate 180 degrees or whatever, and not waste energy rotating right?

And then, to take this a step further to make this work there would need to be some flexibility or elasticity in the system to take energy from the high speed falling weight to the arm.

And what you have ended up with is something that looks like.... A whip!

Comment · 2 months ago
Written about as sci-fi in "Change Agent" by Daniel Suarez. Which is a good book in my opinion
Comment · 3 months ago
I had that dimming issue in my house... And got the gas boiler serviced cause it had a problem with the ignitor, and all the dimming stopped.

Now the house is ancient, so I'm guessing there was some sort of short happening that was causing this.

Comment · 3 months ago
We've started calling it "Human on the hook" instead of human in the loop in work.

It is more accurate, in terms of, it only matters when something goes wrong.

Edit:"On the hook" is a general expression that means if something goes wrong it lands on you as the responsibile party, generally in a negative way. As in, if it goes right, you don't get kudos, if it goes wrong, you're on the hook for it

Comment · 5 months ago
Hi Simon, nice article. The parent there may be making the same assumption I am, that large enterprise _never_ pays sticker price.

Also, to just color in the picture here, as I haven't seen it mentioned elsewhere, there is a very large Saas company at the moment who has given everyone unlimited tokens on Claude. And they have a dashboard showing who spends the most. So the "budget" went from about USD500 per per person (split between Claude and cursor) in Jan to... Well a soft limit of USD100k... Per month... Per person.

People can still see the top line sticker price on their spend, but honestly I can't believe that the Saas is paying that full price when the invoice comes in.

That said, there are some finance reports which are probably dropping soon where we will find out!

Comment · 7 months ago
Your gonna get flagged and all for this comment..... But I agree.

Is there a HN frontend that filters out mentions of AI, it would make a nice change... Maybe I should AI code it /just joking

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