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essdas

89 karma · joined December 1, 2015

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essdas··on How to earn a billion dollars
This statement is a logical fallacy and one as accomplished as Walter Bright surely knew that while writing it.
essdas··on Cooling in Space
I vaguely recall the Scott Manley video (longtime follower of his channel) - wasn’t he assuming that the chips can be run hot, and because the T^4 factor it results in much better radiative cooling?

I don’t know if the “chips can be run hot” assumption is a fair one. It results in significant degradation of the chips life.

At minimum it needs a redesign of the current set of leading chips which are designed for a specific temperature range. Redesigning at a different operational temperature is not a walk in the park.

essdas··on Ask HN: Will Tesla ever be truly self driving?
In their present sensor stack - unlikely in my opinion. It isn’t possible to drive when you can’t see and their cameras are frequently blinded during sunset and sunrise.

Humans cope by moving their head, sunglasses, visors to block the sun or wherever it takes to see well enough in these conditions.

Maybe Tesla could think out of the box for their future models since they’re adamant on no LIDAR. Given the current cost of LIDAR is affordable, in my mind it makes sense to include LIDAR. Their current models though will not get to L4 driving.

Either way, many of their decisions make me question their judgement about safety of their passengers and the general public.

essdas··on The Waymo World Model
> most quickly scales to 0.1% of the population. Unfortunately it doesn't scale further

Data suggests that they’re already available to ~2% of the US population.

essdas··on Tesla moves 'Robotaxi' safety monitor from passenger to driver's seat
Plenty in there to pick apart. Pointing out just one: Things that humans have that Teslas don’t:

1. Binocular vision 2. A brain that understands the world

essdas··on Ask HN: Should we stop posting X links on HN?
Yes - no more links to Twitter/X.

PS: Twitter was the only social media website I used for the last decade. Unfortunately it’s a cesspool now.

essdas··on Zillow just gave us a look at machine learning's future
Exactly. And to add to what you say, adversarial problems in data science are much harder than the regular ones which data scientists deal with and the hubris that I often see with data scientists won't cut it here. You need a different mindset to tackle these problems and they must be handled incrementally with the real world in the loop.
essdas··on Blocking Pinterest may reduce your data usage
It's similar in India. In Mumbai, I have a fiber-to-home 150 Mbps up/down connection. I pay the equivalent of $9 per month. FUP is 3.3 TB per month.

For mobile data, I have a plan that gives 2 GB per day for the cost of <$3 per month.

essdas··on WhiteHat Jr’s founder files $2.6M defamation suit against critic
The truth is much worse than this suggests: This recent article in The Morning Context gives a lot more detail as to why this company is absolutely unethical: https://themorningcontext.com/indias-whitehatjr-is-startup-h... [Requires sign in to read unfortunately]

WhiteHat Jr. is the sleaziest company to emerge from India's start-up ecosystem. They have used underhanded and unethical means to take down fair criticism online. They have used misleading and outright false advertising to sell their product to parents.

I can only hope that people wake up to how evil this company is.

essdas··on A 125-year-old delivery network that feeds Mumbai
It would certainly be interesting, however in the absence of hard data perhaps some anecdotal evidence is better than no information:

Case 1 ------ 10 years x 280 deliveries per year x 2 deliveries per day (pick up + drop) = 5600 deliveries.

Number of mistakes = 0

That puts the error rate at < 1/5600 (or approximately 0.0002).

Case 2 ------ 4 years x 280 deliveries per year x 2 deliveries per day (pick up + drop) = 2240

Number of mistakes = 0

That puts the error rate at < 1/2240 (or approximately 0.0004).

Both cases together -------------------

Error rate < 0.00012

essdas··on A 125-year-old delivery network that feeds Mumbai
1. They don't make the food, they only transport it. Payment of taxes or GST on food delivered is between the food maker and the food receiver – dabbawala is not involved.

2. Article claims roughly 200,000 deliveries per day.

3a. Cost of each delivery is Rs. 800 per month / 24 working days = approx Rs. 33 (or less than half a dollar) per delivery. Normally the delivery involves a pick up as well (previous day's container is picked up along with today's delivery).

3b. Value of food content is irrelevant – it can be super expensive or dirt cheap, dabbawalas only care that it is packed in certain types of containers.

essdas··on India raises withdrawal limit as rupee anger mounts
I think the BBC has completely missed the sentiment on the ground. There is widespread support for this. Every single person I've spoken to in the long queues near ATMs have expressed that they don't mind the inconvenience because it will help the country.
essdas··on Reddit AMA with Chris Daniels, VP, Internet.org (Facebook) is on
Lots of questions asked. Only 4 questions answered.