jayyhu

For the layman, 0 degrees celsius is also a good proxy for the distance to "room temperature" superconductor.

AFAIK the Section 301 tariff (and increases) only applies to parts imported from China/HK. There are lots of manufacturers on DigiKey that make their parts from elsewhere where these tariffs are not assessed. As a data point, I recently bought a bunch of Lite-on LEDs on DK, their COO was Thailand, and I wasn't tariffed for those parts.

Consider a scenario where you're editing a function:

  function foo() { return a*2.1^2+0.52/2 }

So you do a find-all regex "1.*5" and delete all matching occurrences (à la CRISPER) to get:

  function foo() { return a*2.2/2 }

But unbeknownst to you, the code is littered with a bunch of commented out versions of the same function you're trying to edit:

  /* function foo() { return a*1.5/2.1 } */
  /* function foo() { return a*1.95/2.4 } */

And now those commented out versions now become:

  /* function foo() { return a*/2.1 } */
  /* function foo() { return a*/2.4 } */

And now the whole program doesn't compile anymore--or your patients get Leukemia. Oops.

While it might be hard for the US to make lithium batteries that are competitive economically, there are still many countries in the world that can make them economically that are not China, eg. SK, Japan, Taiwan, and the rest of SEA. For Skydio, surviving these sanctions is just a matter of moving their supply chain away from China.

From the article's opening sentence, it's clear that they are being sanctioned for doing business with Taiwan's Fire Agency, and not for any military reasons.

  A few weeks ago, China announced sanctions on Skydio for selling drones to Taiwan, where our only customer today is the National Fire Agency.

Sanction aside, this action is a wake-up call for all US based companies operating in geopolitically sensitive industries that they absolutely need to diversify their supply chain away from China.

And in terms of the sanction itself, it’s definitely a reasonable response by China, given the fact that DJI is heavily sanctioned by the US government.

I want to clarify that they actually did build a transistor-like device, and not just hypothesize about it. I missed section 3.2 when I initially skimmed the paper, which demonstrates and shows the results of a working “transistor”.

Unfortunately I can’t edit my original post, so apologies for causing any confusion.

It looks like the editors have amended the title of their article since this was initially posted. The original title was just “3D-printed Active Electronics”