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(Guardian)   Australia makes breakthrough in quantum computing. I see they've played knifey-spooney-superposition before   ( theguardian.com) divider line
    More: Cool, qubits, Qubit, Quantum computer, Quantum mechanics, Quantum entanglement, single atom systems, entangled qubits, quantum  
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894 clicks; posted to Geek » on 08 Mar 2018 at 11:35 AM (32 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook   more»



18 Comments     (+0 »)
 
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2018-03-08 07:18:50 AM  
A working quantum computer could solve, in minutes, a problem that would take a classic computer thousands of years.

I'd like to see the math on that one. Probably not understand it at all. Seems like a dubious claim.
 
2018-03-08 07:27:49 AM  
Unfortunately, thirty-seven programmers have lost their lives during the project so far.

/Don't step on that indirection operator, it's poisonous.
 
2018-03-08 09:49:40 AM  
Heisenberg's platypus.
 
2018-03-08 11:04:10 AM  
"We're using what we're building to help us build it. It's kind of funny for me."

And then the murders started.
 
2018-03-08 11:05:24 AM  

dittybopper: Heisenberg's platypus.


It just occurred to me that Perry is Heisenberg's platypus:

img.fark.netView Full Size


img.fark.netView Full Size
 
2018-03-08 11:14:49 AM  

PreMortem: A working quantum computer could solve, in minutes, a problem that would take a classic computer thousands of years.

I'd like to see the math on that one. Probably not understand it at all. Seems like a dubious claim.


This is a fairly decent explanation of it:

https://www.scientificamerican.com/ar​t​icle/what-makes-a-quantum-comp/

The big thing it can do is factor very large numbers quickly.  Most modern cryptography is based on how hard it is to factor very large numbers.  Quantum computers make that a breeze because they can do massive parallel operations.
 
2018-03-08 11:42:36 AM  
Riiiight. What's a qubit?
 
2018-03-08 11:46:52 AM  

Slypork: Riiiight. What's a qubit?


img.fark.netView Full Size
 
2018-03-08 11:47:34 AM  
It's easier for them 'cause Down Under is close to The Upside Down.
 
2018-03-08 12:02:42 PM  

Slypork: Riiiight. What's a qubit?


Same thing as a pubit, only less dirty sounding.
 
2018-03-08 12:05:56 PM  
Headline made me chuckle sensibly. Good job, subby.
 
2018-03-08 12:06:44 PM  
Cheesy but good headline.
 
2018-03-08 12:19:27 PM  

dittybopper: PreMortem: A working quantum computer could solve, in minutes, a problem that would take a classic computer thousands of years.

I'd like to see the math on that one. Probably not understand it at all. Seems like a dubious claim.

This is a fairly decent explanation of it:

https://www.scientificamerican.com/art​icle/what-makes-a-quantum-comp/

The big thing it can do is factor very large numbers quickly.  Most modern cryptography is based on how hard it is to factor very large numbers.  Quantum computers make that a breeze because they can do massive parallel operations.


Good read, what I understood. This is impressive:
The complexity of the quantum state quickly becomes incredibly large: to describe only 100 quantum coins requires 1,267,650,600,228,229,401,496,703,205,​375 different numbers--many trillion times the storage capacity of all computers ever made.
 
2018-03-08 01:43:47 PM  

PreMortem: A working quantum computer could solve, in minutes, a problem that would take a classic computer thousands of years.

I'd like to see the math on that one. Probably not understand it at all. Seems like a dubious claim.


Sure, it's faster than a Classic computer running at 8 MHz, but is it faster than a Classic II?

d2t1xqejof9utc.cloudfront.netView Full Size
 
2018-03-08 01:56:38 PM  
There was no mention in the article whether this was a room temperature advancement. I would like to know when that gap gets closed.
 
2018-03-08 02:06:01 PM  
Nothing like a nice hot cup of tea
 
2018-03-08 09:48:51 PM  
Yesterday Google was winning. Three weeks before China was winning. Now Australia. I can kinda understand that they're working on different aspects, maybe, but it's lost on me.
 
2018-03-09 02:31:44 PM  

morg: Yesterday Google was winning. Three weeks before China was winning. Now Australia. I can kinda understand that they're working on different aspects, maybe, but it's lost on me.


Even money that the NSA has a few in their basement, and they're using them to break all that encryption everyone thinks is so secure.
 
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