Cyclical

What leads you to believe that?

As a small note, IP67 sealed connectors vary greatly in price, with excellent high pin count options like the Ecomate Aquarius line being in the low tens of dollars. The Deutsch/Amphenol AT automotive connectors are also very cheap yet provide a watertight seal.

Promin Aerospace, a Ukrainian company founded by a friend of mine, has been working on the same technology. Interesting to see this take on it though, it's an idea that seems almost too fantastical to work.

Roblox is likely one of the closest things to an actual "metaverse" that exists right now. An extensible world, where anyone can add/program in locations and experiences, is the truly transformative part of media like Ready Player One.

I had the exact opposite experience moving from Canada to San Francisco. While wages are much higher, the cost of living is not even comparable - anecdotally much, much higher in SF than either Toronto or Vancouver (both of which I have lived in). Healthcare has been a horrible experience here too, with Kaiser putting my through endless levels of bureaucracy in an effort to avoid paying for my medication.

I took Lukas Chrostowski's silicon photonics design course back when I was studying at UBC and it was one of the most interesting courses I ever participated in. We designed and actually did tape out for multiple projects like DBR resonator cavities, which was an incredible experience. For anyone intetested in the field I recommend his book Silicon Photonics Design: From Devices to Systems.

I used to go to vice a lot for news, but over the past 2 years the article feed has been flooded with a huge quantity of low quality, low effort content. A significant amount of the stories are either affiliate link compilations (hottest new vibrators!) or horoscopes (which occasionally make up the entirety of the first ~10 elements in the "latest news" section).

While very cool and seemingly well-designed, this seems like a derivative of the lock developed by the YouTuber StuffMadeHere. A little strange to see someone applying for a patent for a version of someone else's design.

Every time I've ever tried 12ft, I've gotten a 503 error. Multiple devices tested, always the same thing.

Quite surprised at the position of Japan in this. I was under the (obviously unfounded given the data) assumption that the Japanese government was well-respected by the populace.

Coming from Canada, and having had multiple large surgeries and hospital visits over the years, I've had an entirely different experience. We have universal healthcare and some of the best hospitals in the world. As well, the NHS in the UK is consistently ranked among the best healthcare in the world. I have experienced just as long wait times at U.S. hospitals as I have at Canadian ones, but with honestly far worse service as it felt like the doctors were trying to get me out of their sight as fast as humanly possible.

I'm having trouble understanding how you can separate the cost/benefit analysis of renewable energy from environmentalism. The entire point is that the reasons for hitting these goals are not purely economic (in the short term - long term, running out of fossil fuels in a fossil fuel economy does not tend to be good for the economy.) The sentiment that aiming for full renewable supply is too expensive to be worth it feels like it misses the mark on why we're doing it.

Torrentfreak has for many years been a very reliable, well-researched news source for issues related to internet copyright law. I've personally been reading it since before the SOPA/PIPA era, when their coverage was an important nexus of information on the legislation.

3D scanners do exist, though in my experience their performance is very poor and requires lots of manual post-processing to get a reasonable model out the other end. They're also quite expensive, generally.

Location: Vancouver, Canada

Remote: Yes, but prefer in-person

Willing to relocate: Yes

Technologies: Java, Python, PCB Design, Power electronics, Digital communications, High-precision sensing, Microfabrication, Neurotechnology

Resume: http://jonahshaps.info/Resume.pdf

Email: jonah at jonahshaps.info

Hey there! My name is Jonah and I'm a graduating Electrical & Mechanical engineer looking for employment next year. I have experience in CMOS design, analog signal circuitry, and high-precision sensing with additional education in microfabrication and biomedical microfluidics. My past work experience includes an internships at Neuralink and an early-stage AV startup based out of Vancouver. As well, near the start of the pandemic I led a team developing gVent, a novel constant-pressure mechanical ventilator.

I'm interested in many different fields, but biomedical opportunities are my highest priority. I'm eager to hear about any interesting opportunities, so if you'd like to talk further don't hesitate to reach out!

Location: Vancouver, Canada

Remote: Yes, but prefer in-person

Willing to relocate: Yes

Technologies: Java, Python, PCB Design, Power electronics, Digital communications, High-precision sensing, Microfabrication, Neurotechnology

Resume: http://jonahshaps.info/Resume.pdf

Email: jonah at jonahshaps.info

Hey there! My name is Jonah and I'm a graduating Electrical & Mechanical engineer looking for employment next year. I have experience in CMOS design, analog signal circuitry, and high-precision sensing with additional education in microfabrication and biomedical microfluidics. My past work experience includes an internships at Neuralink and an early-stage AV startup based out of Vancouver. As well, near the start of the pandemic I led a team developing gVent, a novel constant-pressure mechanical ventilator.

I'm interested in many different fields, but biomedical opportunities are my highest priority. I'm eager to hear about any interesting opportunities, so if you'd like to talk further don't hesitate to reach out!

Wonderful to see this finally get released. A lot of people (myself included) have been awaiting with bated breath for 2 full years for VCV Rack 2.

It impresses me to this day that Andrew Belt is the sole developer on the project. He's been able to do something tremendous in a relatively short amount of time for just one guy.

Initially, the DNA is brought near the pore through diffusive (brownian) motion + any small attraction it'll have to the membrane. Close to the pore it uses a combination of the electrophoretic and electro-osmotic effects to draw the DNA molecules through. The application of an external magnetic field will cause the charged DNA molecules to migrate along the field (electrophoresis). This is independent of the fluid, and happens to any ions under voltage. The electro-osmotic flow, on the other hand, is a motion of the fluid itself, pulling the DNA molecules along with it. EOF is a really interesting phenomenon which is caused by the interaction between the surface chemistry (vis-a-vis charge distribution) and the concentration gradient of charge carriers in the fluid. I'd recommend Fundamentals and Application of Microfluidics by Nguyen et al if you're looking for a good primer on electrically induced flows in microfluidics.

Nanopore sequencing is a really interesting technology. It utilizes fundamentally the same apparatus as a Coulter Counter [1], which is a general method of counting and sizing arbitrary particles that's frequently used in flow cytometry. Applying it to sequencing by drawing unwound DNA through the pore was a really excellent logical leap, and we're only now starting to see the benefits of even though it was first ideated over 30 years ago.

[1] https://en.wikipedia.org/wiki/Coulter_counter

Nail on the head for ADHD hyperfocus. Studying for exams in university I could easily go for 10 straight hours, forgetting to eat in the interim, if I found the course enjoyable.

This is definitely a possibly solution to the problem of keeping your propeller/wheel alive, but does present some problems in its own right. As another commenter stated, dead objects like teeth, hair, nails, claws, and scales tend to break and once broken cannot be repaired without entirely replacing the object. As well, growing a structure with a complex form like a propeller requires providing nutrients and removing waste from the structure while the cellular scaffolding is forming. Thus we are still faced with the issue of nutrient transfer, though I can imagine a multistage process in which the structure is initially non-rotating and then the connective tissue atrophies to free the now-nonliving rigid body.

Great point! I think a valuable thing to understand is that wheels and propellers are very obviously more efficient than legs and wings, respectively. There's a reason ornithopters are at most a curiosity outside of fiction (looking at you Dune!)

Maple seeds are able to take advantage of the efficiency gains of revolute motion by having their entire body rotate rather than using a static body with a freely-moving prop.

The reason one does not see freely rotating bodies such as wheels or propellers in nature comes down to perhaps the most fundamental aspect of biological systems: they're alive. Because they're alive, resources need to be supplied to them and waste needs to be removed. Propagating nutrients across a freely rotating interface can be an intractable problem, and this is not even considering the question of _how_ one could induce free and unbounded rotation in a biological joint. Think of how muscles work, with discrete attachment points and it becomes clear that free rotation isn't possible with muscles. The only method of inducing rotation I can come up with off the top of my head is some sort of turbine design, with rotation being driven by fluid flow.

The notable exception to the absence of free rotation in nature is the flagellum, which solves the nutrient supply issue by being so small and self-contained that it doesn't need nutrients, just the presence of an ion concentration gradient.

Very cool! Fantastic that they were able to do this in silicon nitride, as that'll make commercialization and scalability much easier. Nitride is one of the more common MEMS manufacturing materials, and from the (admittedly tiny, which makes sense since they're trying to commercialize) fabrication section of the paper it seems like they're using a standard RIE process to manufacture the optical posts. I'm interested to know how they controlled for the isotropy of the plasma process without using DRIE, which is frequently used for these kinds of high aspect-ratio devices.

Id you're interested in working with EEG, the advice of the other poster is worthwhile. I've transitioned away from EEG as I don't believe it's a future-proof technology. I got into the field through a series of lucky internships during university and a whole lot of networking got my resume into Neuralink before the destealthing last year. My advice is to apply everywhere you can, be passionate, and reach out to people. There are more opportunities out there than you think.

From the information that they've published (paywalled article excluded of course) it does not seem like they're going for anything necessarily novel or niche-filling, more just making another option. That's not necessarily a bad thing, as (coming from someone who works in BCI) more tech is always welcome, even if it's in what I and most other people I talk to consider a dead-end technology (EEG).

Also funny you bring up the Muse, as I actually worked there a few years back. The Muse 2 is a reasonable increase in signal fidelity though with a tradeoff in that it has more issues in adverse environmental conditions (sweat etc). The main difference between the generations is in usability on the consumer end, which is the target market for the device. It was never intended to be a research tool, and it excludes many of the important electrode locations for research. For that reason, calling it a toy is roughly accurate in my opinion.

Interesting project, though a lot of prior open source work exists for very similar devices[1]. Couldn't get access to the research paper to read through due to a paywall, so hopefully the Github gets updated with more information.

[1] https://openbci.com/