feb

7 ms·

1.
The largest electric aircraft just flew [video](youtube.com)
471 points by feb 16d ago|380 comments
2.
by feb 16d ago
Heart Aerospace (YC W19) just flew the largest electric airplane ever flown — a 100-foot wingspan, a takeoff weight of 25,000 pounds, and $5 of electricity to get it off the ground.
3.
Wave overhangs let you print without supports [video](youtube.com)
2 points by feb 1mo ago|1 comments
4.
by feb 7mo ago
That one actually looks more like a real kernel with services like memory management, syscalls, processes and context switching. Nice work.
5.
by feb 9mo ago
For a functionnal language, TCO is really a must have. How would you do the equivalent of loops without it ?
6.
by feb 10mo ago
There's another HN thread about this project: https://news.ycombinator.com/item?id=46144199
7.
by feb 1y ago
For those of us who are not used to the acronyms, DUI means Driving Under Influence. Similar term is DWI, Driving While Intoxicated.
8.
by feb 1y ago
There's PeerTube ( https://peertube.tv/ ) which is based on Free software ( https://joinpeertube.org/ ).
9.
by feb 2y ago
This sounds like the technique shown by 3D Printing Nerd on YouTube: https://m.youtube.com/watch?v=oHPrnYMdLow There they called it computed axial lithography.
10.
by feb 2y ago
The difference is surprising. Digging deeper, the US shop does not include shipping or taxes. To get an idea, I tried for CA and that already adds $12. That's already $38 without custom tax and VAT.
11.
by feb 2y ago
Fully charging the battery can cause it to age more quickly and lose capacity. Limiting charge level helps to protect it, especially when it's always connected to a power supply and don't need the battery that much.
12.
by feb 2y ago
Nice system built with only a couple of C99 macros. That small header also achieves matching for specific C types over the "sum types". In the context of C99, isn't tagged union the more usual name instead of sum type?
13.
by feb 2y ago
Actually Qwant.com uses bing API too and has a warning at the top of their homepage.
14.
by feb 3y ago
From valetudo.cloud: Conga is a brand that uses existing robot designs with a slightly customized cloud.They’re not a robot manufacturer.
15.
by feb 3y ago
The paper explains how to get the profile of the key to 3D print the equivalent of key blanks. But one needs the cuts in the key and that part is secret that cannot be easily detected from a photo of the key hole.
16.
by feb 3y ago
It disappeared without any visible explanations. Apparently, it was a a friendly fork of the Breath project ( https://github.com/cb-linux/breath ) by Apacelus ( https://github.com/Apacelus/Apacelus ).
17.
by feb 3y ago
Filippo describes how evolutions in the source code and hidden assumptions caused a bug in a special case implementation he kept for performance reasons. This is a great example of how the incompleteness of the old Weierstrass curves mult
18.
by feb 4y ago
And it's also illegal in EU. The GRPD imposes to have the choice to reject tracking cookies. And it must be easy to reject, not hidden somewhere or requiring one to manually delete the cookies with the browser mechanisms.
19.
by feb 4y ago
According to a german news report [1], it could be due to material fatigue. [1] https://www.rbb24.de/panorama/beitrag/2022/12/berlin-karl-li...
20.
by feb 4y ago
> It seems like a decent guide, though like others mentioned, you should download and run the code most of the time, except for trivial changes. Actually, that's not true at all. Code review is not a replacement for automated builds
21.
I Lost More Than Half My Business(youtube.com)
4 points by feb 4y ago|0 comments
22.
by feb 4y ago
The README is a bit optimistic about it the security model. Like the parent said the room UUID is a very critical asset and should be handled as a critical secret. Sadly, users may not know that. In addition, the README says one can audit t
23.
by feb 4y ago
This article about IKEA boxes sounds a lot like the cake mix marketing story. But apparently, that story is a legend: https://gobraithwaite.com/thinking/cake-mixes-fresh-eggs-and... And maybe this study should be taken
24.
by feb 4y ago
Impressive work by GAMI who are working on it since decades. AVWeb made 2 videos on the subject of leaded avgas and on how hard it is to get it approved. In addition, the FAA launched several failed attempts with the industry at large.
25.
by feb 4y ago
On the other hand, there are some niches where compression tension, aka tensegrity, may have a practical utility. For example, the current lightest hammock stands are inspired by it. The HandyHammock stands [1][2] use cords to reduce the we
26.
by feb 4y ago
About longevity, on https://www.stringbike.com/stringbike_support_questionsandan... they say strings last between 500 to 1500km. Bike chains supposedly last from 500 to 5000 miles ( https://www.bikeshepherd.org&#x
27.
by feb 4y ago
Transmission via shafts is also less efficient. It doesn't matter much on a motor bike where there's plenty of power. But on a human powered bike, every watt counts. See for example https://www.cyclingabout.com/cha
28.
by feb 5y ago
The proposal consists in filtering out crappy or scoring sites based on how much affiliate links and ads they use. In addition, it could also penalize: * GDPR popups * excessive JavaScript * presence of modal dialogs requesting emai
29.
by feb 5y ago
In the PS3 they lacked a real random number in ECSDA computation. That effectively broke the signature and actually made it possible to recover the private key. For more info see for example: * https://www.cs.uaf.edu/2012&#x
30.
by feb 5y ago
When sleeping on your belly, doesn't your back "push" on your lungs? There's then more mass to compress your lungs than when sleeping on your back.

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