Para quem gostar de mecanismos analógicos, está qualquer coisa.
Researchers at Linköping University, together with colleagues from the KTH Royal Institute of Technology, have now developed the world’s first electrical transistor made of wood.
“We’ve come up with an unprecedented principle. Yes, the wood transistor is slow and bulky, but it does work, and has huge development potential,” says Isak Engquist, senior associate professor at the Laboratory for Organic Electronics at Linköping University.
In previous trials, transistors made of wood have been able to regulate ion transport only. And when the ions run out, the transistor stops functioning. The transistor developed by the Linköping researchers, however, can function continuously and regulate electricity flow without deteriorating.
The researchers used balsa wood to create their transistor, as the technology involved requires a grainless wood that is evenly structured throughout. They removed the lignin, leaving only long cellulose fibres with channels where the lignin had been.
The researchers used this to build the wood transistor and could show that it is able to regulate electric current and provide continuous function at a selected output level. It could also switch the power on and off, albeit with a certain delay – switching it off took about a second; on, about five seconds.
https://liu.se/en/news-item/varldens-forsta-tratransistorPossible applications could include regulating electronic plants, which is another strong research area at Linköping University. One advantage of the transistor channel being so large is that it could potentially tolerate a higher current than regular organic transistors, which could be important for certain future applications. But Isak Engquist wants to stress something:
“We didn’t create the wood transistor with any specific application in mind. We did it because we could. This is basic research, showing that it’s possible, and we hope it will inspire further research that can lead to applications in the future,” says Isak Engquist.
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A AMD já tinha esse acordo, mas acho que entretanto houve proibição dos EUA de transferência de tecnologia/semi condutores avançados para a China.São Epyc, cujo negócio foi anunciado, e ainda assim com algumas diferenças. Em relação a este não há, ou pelo menos ninguém se recorda, de um anúncio.
With the A100, Nvidia trimmed the GPU's 600 GBps interconnect down to 400 GBps and rebranded it as the A800 to commercialize it in the Chinese market. Nvidia is taking an identical approach to the H100.
Este Switch usa o Broadcom Tomahawk 5. Umas imagens do Tomahawk 4 (64 portas 400 Gbits), em Socket.Para quem gostar de mecanismos analógicos, está qualquer coisa.
Um Switch com 32 portas 800 Gbit (100 GB/s teóricos por porta. 3.2 PB/s agregados)
According to the latest entry to Geekbench benchmark database, the just-announced PowerLeader PowerStar P3-01105 is in fact based on Intel silicon. The CPU does have a different name, but underneath the rebranded heatsink one will actually find the Intel Comet Lake CPU.
This is a 64x 800GbE or 128x 400GbE switch, twice the throughput of the Broadcom Tomahawk 4 switch we looked at. NVIDIA says that it is a 500W chip, 48 PCBs, and over 2kW of power.