SA9G

Joined 2 months ago

Karma
70
Submissions
45
Member since
Aug 15
scApplications.com
View on Hacker News

Recent submissions

Comment · 6 days ago
Getting to build things without skinned knuckles or solder smoke in your face... now that is a rush! And if you are not happy with it, you get to tear it down and build it back up better. It costs nothing but your time and imagination. Importantly, you get to build, to solve problems, to engineer, to visualize, to create and be creative. (Ok, maybe musicians have even more fun, but alas I wasn't wired for music. :-)
Comment · 11 days ago
So pleasant to see elegance in such seemingly mundane places. Someone cared and took a little extra time. Bravo to them!
Comment · 26 days ago
I am still waiting for flying cars... "jet" powered too!
Comment · 26 days ago
Seems like one more arrow in the toolkit. But the best testing looks at the sources and explores the cracks between the strata with edge cases, looks at limits, and where one method changes to another. (And hats off to Murphy, for waiting until after you ship...)
Comment · 26 days ago
Or Z-19 terminals... green screen, 80 char lines of text. Lightning fast 1200 baud modem!! Those were the days :-)
Comment · 27 days ago
All that, yes. But they don't work too well if the battery runs out halfway down the straight... and there is too little charging.

I wasn't politicizing E vs ICE... but commenting on the particular specifications these rules mandate for F1. Specifications that are not fit for purpose.

Comment · 27 days ago
Quite right, on the constructor part... that is very much the appeal for us techies. But they do spend 100 million tweaking the last 0.1% of aero advantage and tire-deg management. a) They could just homologate a common engine, like in F2 and concentrate on the chassis or b) make a properly designed hybrid PU. By (b) I mean have an E component that gets adequately charged... the MGU-H (E-Turbo) of the last generation seemed to work fine. The current specs is nuts, definitely NOT advancing technology.
Comment · 27 days ago
Oh yes, the insanity of the new F1 power units! The goal was 50/50 Electric/ICE split... but why go hybrid when the cars use fully synthetic fuel and have essentially no runtime carbon footprint? Well for car makers to signal their virtue of course! Did they worry about the mega tons of goods they ship around the globe to race in 24 different countries... or perhaps the armada of VIP private planes that follow... or the 1M fans that drive to each venue?

Ok, so hybrid... but where will the E energy come from? Clearly from the brakes, the rear brakes... the same ones that get only a fraction of the braking energy because all the forces move to the front under deceleration. Where is the energy stored, in the battery of course... which is so small it runs out halfway down a single straight. So you basically have a big complicated heavy car with half the power it should...

And naturally you have lots of software controlling "deployment" of your meager E reserves. It even guesses where you are on track based on time/speed, because GPS is illegal for that. Sigh...

To be clear... I am not arguing ICE is good or E is bad. Just that F1's current specs for the ICE/E mixture is horrible.

Comment · 29 days ago
Enjoyable read... I kept thinking so where is the Straights of Hormuz in all this :-)
Comment · 29 days ago
By all accounts a magnificent intellect and certainly my hero. I am not sure what, if anything, will happen on the other side... but if I were to return as a human (and not a dung beetle as I expect), I would very much like to have his brain capacity. At least that is what I will put on the form if anyone or anything asks.

Importantly, are we all genetically inferior or is there perhaps a component of nurture that we lack? How is it that we are all so stupid in comparison?

Comment · 1 month ago
Fond memories of CMU in the 80's!! They had genuine academics who wanted to solve problems and advance human knowledge. Most cared about their students and wanted to teach. I am sure they are just as good 45 yrs later...
Comment · 1 month ago
Fascinating article... reminds me once again why I went into EE/CS instead of physics, I just wasn't smart enough :-(
Comment · 1 month ago
Yes, but time accelerates as you get older... your decade is almost yesterday for me :-)
Comment · 1 month ago
You are right of course.... but one's risk tolerance diminishes with waning work income. So retired folks have less of their money in stocks/ETFs and are more exposed to the ravages of inflation.

So with hindsight, one can easily weather inflation... only hindsight is hard to come by (says the guy who cancelled his NVIDIA buy order a few years back)!

Live from the official Hacker News API

A modern reader for Hacker News · SvelteKit + Skeleton