#transistors
Adaptive transistors. So for those of you familiar with transistors, it sounds like what this is about is switching NPN transistors to PNP and vice-versa, and by doing this you can do such things as change a NAND gate in a circuit to a NOR gate. That's super nuts. I wouldn't think it'd be useful for anything, but they say, "Arithmetic operations, which previously required 160 transistors, are possible with 24 transistors due to this increased adaptability." And this boosts speed and energy efficiency. Only catch is you have to manufacture with germanium, not silicon.
Evolution of Microprocessors. From Intel 4004 - 1971 to 8-Core.
We are now in the i9 generation, it is always updated every years.
I searched for some time to find that Chronological image explaining in details
#Intel #Microprocessor #Computer #Intel4004 #RobertNoyce #Pentium #IntelCore
#Microchips #Technology #Radio #Electronic #Science #Technologie #Transistors
Organic transistors. So we have optical transistors and perovskite transistors, why not organic transistors? Apparently the point of "organic" transistors is flexibility and biocompatibility, which means the ability to implant it in your body and not have your body reject it, and not performance, but these researchers have found a way to improve performance anyway. They've gotten their "complementary vertical organic transistor technology" (whatever that is) which could switch at megahertz speeds to switch at gigahertz speeds.
I don't know how this "complementary vertical organic transistor" is made and the paper is paywalled, but judging from the abstract the physics might be beyond my understanding anyway. It has currently been demonstrated only in very simple circuits (complementary inverters and ring oscillators), not full-fledged computing devices. The article says "With this new technology they are just a stone's throw away from the commercialization of efficient, flexible and printable electronics of the future" but it is surely a long way from commercialization.
Transistors can be made out of perovskites, the material people keep saying will be used for solar cells yet we still never see them anywhere. Anyway, scientists "have found a solution to the perovskite problem, enabling the material to work as a transistor at room temperature. The device has been 'tricked' into ignoring the material's ion content by shunting these electrically charged species away from the gate to a different part of the transistor, where they can't interfere with the flow of current."
"We modified the construction of the transistors instead of modifying the material, resulting in a transistor with an extra, auxiliary gate. Ions are then pushed to the auxiliary gate and fixed in position."
"The auxiliary gate was created by depositing a ferroelectric layer onto the transistor. Ferroelectrics (dielectric materials that show stable polarisation when the external electric field is turned off) can induce a large surface charge that attracts ions and holds them in position, thereby freeing up the gate for the flow of electrons."
The article touts this development as "green" but fails to mention that perovskites are usually made with toxic heavy metals such as lead. I don't think they are really "green" but they are touted as "green" in solar cells because they are so much cheaper than silicon solar panels, which should theoretically lead to them being everywhere. My understanding is that the reason this hasn't happened is because perovskite solar cells wear out quickly while silicon lasts for decades.
Still, as CMOS transistors hit their limits, the world is looking for alternatives to silicon, and it's interesting to know it's possible to make transistors with perovskites. I never would've expected that.
Perovskite: the material that allows a greener fabrication of transistors
Les femmes pionnières de la musique électronique "Sisters with transistors"
Photos de quelques-unes des femmes pionnières de la musique électronique qui présentent dans les nouvelles doc Sisters With Transistors - disponibles pour diffusion maintenant ! 🎹
📸 #LaurieSpiegel, #SuzanneCiani, #DeliaDerbyshire, #ElianeRadigue, #DaphneOram, #PaulineOliveros, #MaryanneAmacher, #WendyCarlos , #ClaraRockmore , #LaurieAnderson
https://sisterswithtransistors.com/
https://vimeo.com/ondemand/sisterswithtransistors/534043397
#music #musique #synthetiser #synthetizer #electronic #woman #women #female #sisters #transistors
@bliter@diaspora-fr.org @alien23@friendica.feneas.org @carolinerre@diaspora.psyco.fr