| Post Reply | RetroFed Forum Forum Index » Science |
| Author | Message | ||
|---|---|---|---|
Gsus4
mander.xyz
Gsus4@mander.xyzJoined: 2023-08-25 |
essentially a conductor for "spin currents" |
||
| 96 Original | |||
|
altphoto
lemmy.today
altphoto@lemmy.today Joined: 2025-04-14 |
NbRe? Why not a computer made of rhino horn ivory? |
||
| 12 | |||
|
West_of_West
piefed.social
West_of_West@piefed.social Joined: 2025-08-15 |
That ability could make it possible to transmit information using spin without any energy loss. In turn, extremely fast computers could operate using almost no electricity at all. I don't know what any of this means... but cool! |
||
| 31 | |||
|
GreenKnight23
lemmy.world
GreenKnight23@lemmy.world Joined: 2024-09-21 |
just in time for all the bad press it got last week! |
||
| 2 | |||
|
SkaveRat
discuss.tchncs.de
SkaveRat@discuss.tchncs.de Joined: 2023-07-09 |
"The fact that triplet superconductors have spin has an important consequence. We can now transport not only electrical currents but also spin currents with absolutely zero resistance," explained Linder. That ability could make it possible to transmit information using spin without any energy loss. In turn, extremely fast computers could operate using almost no electricity at all. I don't know ...
Still need massive amounts of energy to cool them down to superconducting temperatures |
||
| 19 | |||
ageedizzle
piefed.ca
ageedizzle@piefed.caJoined: 2026-02-04 |
Still need massive amounts of energy to cool them down to superconducting temperatures
[deleted]
|
||
| -2 | |||
|
SkaveRat
discuss.tchncs.de
SkaveRat@discuss.tchncs.de Joined: 2023-07-09 |
[deleted]
It is very hard to cool things down in space |
||
| 30 | |||
ageedizzle
piefed.ca
ageedizzle@piefed.caJoined: 2026-02-04 |
It is very hard to cool things down in space
[deleted]
|
||
| -10 | |||
|
SkaveRat
discuss.tchncs.de
SkaveRat@discuss.tchncs.de Joined: 2023-07-09 |
[deleted]
No, in general There only way to expell heat is via radiation, which is very slow |
||
| 28 | |||
ageedizzle
piefed.ca
ageedizzle@piefed.caJoined: 2026-02-04 |
No, in general There only way to expell heat is via radiation, which is very slow https://youtu.be/-w6G7VEwNq0
[deleted]
|
||
| 14 | |||
|
Alloi
lemmy.world
Alloi@lemmy.world Joined: 2025-02-16 |
|
||
| 5 | |||
|
village604
adultswim.fan
village604@adultswim.fan Joined: 2025-09-27 |
[deleted]
Yeah, getting rid of heat is the main issue in space. Insulating against cold is trivial. But the principle behind it is why vacuum insulated tumblers can hold ice/hot liquid for so long. |
||
| 1 | |||
|
Pommes_für_dein_Balg
feddit.org
mech@feddit.org Joined: 2025-10-06 |
So...does this mean it will soon be able to multiply two-digit numbers? |
||
| 4 | |||
|
SmoothOperator
lemmy.world
SmoothOperator@lemmy.world Joined: 2023-07-08 |
So...does this mean it will soon be able to multiply two-digit numbers?
It would be a terrible machine for that. Never use a quantum computer to multiply numbers. |
||
| 5 | |||
|
Pommes_für_dein_Balg
feddit.org
mech@feddit.org Joined: 2025-10-06 |
It would be a terrible machine for that. Never use a quantum computer to multiply numbers.
Isn't that kind of a thing it needs to do to find the factorials of large numbers to break traditional encryption? |
||
| 2 | |||
MousePotatoDoesStuff
lemmy.world
MousePotatoDoesStuff@lemmy.worldJoined: 2025-03-09 |
It is very hard to cool things down in space
How about in a crater on a Moon pole? |
||
| 1 | |||
|
SmoothOperator
lemmy.world
SmoothOperator@lemmy.world Joined: 2023-07-08 |
Isn't that kind of a thing it needs to do to find the factorials of large numbers to break traditional encryption?
Not really. It needs to apply unitary operators to elements in Hilbert space, which is essentially multiplying matrices onto vectors. Which you could do by multiplying the involved numbers one by one, as most classical methods would, but then you're missing the point of using a quantum computer. |
||
| 5 | |||
| Post Reply |
Back to top |