Discussion about this post

User's avatar
Tiko Coassin's avatar

Super cool re: noise cancellation.

I had assumed that noise cancelling headphones / earbuds were designed to be good physical barriers to outside noise. Mind blown 🤯.

Expand full comment
Mark Heyer's avatar

Not to be nit-picky - OK, just a little - the fiber optic diagram mis-identifies the cladding, which is a glass layer surrounding the fiber core and has a slightly different refractive index. The diagram has it outside the metal strength layer. With the naked eye, you can't distinguish between the core and cladding - it's just a tiny string of glass.

The cool thing about fiber is that the ultimate bandwidth is only limited by the electronics that feeds it. The frequency of laser light is around 5X10^14 HZ. With two cycles needed to define a bit, that would be about 150,000 gigabits/second. And then multi-mode fibers can transmit hundreds of different frequencies at the same time. Gives you some insight on how Infiniband works in those Nvidia data centers. Jensen: "240 Terrabytes/second" Yikes.

The combination of AI and Nvidia's accelerated computing is like discovering fusion reactors that could power a single house or car or scale up to power factories orders of magnitude larger than possible today - all for the gasoline equivalent of one cent per gallon. Unlimited upside.

Expand full comment
6 more comments...

No posts