Quantum Computing: Benefits & Possibilities

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SUMMARY

Quantum computing presents unique advantages and limitations compared to classical computing. While it offers significant speed improvements for specific problem types, it does not universally outperform classical algorithms. The concept of quantum superposition, where a qubit can represent multiple states, is often misunderstood; it does not imply simultaneous processing of all values. Experts like Scott Aaronson provide valuable insights into the complexities of quantum computing.

PREREQUISITES
  • Understanding of quantum mechanics principles, particularly superposition and entanglement.
  • Familiarity with classical computing algorithms and their limitations.
  • Basic knowledge of qubits and their role in quantum computing.
  • Awareness of current quantum computing frameworks and tools, such as IBM Qiskit or Google Cirq.
NEXT STEPS
  • Research the differences between quantum and classical algorithms, focusing on specific use cases.
  • Explore quantum computing frameworks like IBM Qiskit for practical implementation.
  • Study Scott Aaronson's work on quantum computing to deepen understanding of its complexities.
  • Investigate the limitations of quantum computing and the types of problems it excels at solving.
USEFUL FOR

Researchers, computer scientists, and technology enthusiasts interested in the advancements and challenges of quantum computing.

ChrisisC
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With the development of quantum computing, just how much could it improve our lives. Obviously faster computing, but could we begin to do things than conventional computer can't?
 
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ChrisisC said:
With the development of quantum computing, just how much could it improve our lives. Obviously faster computing, but could we begin to do things than conventional computer can't?
The prospects of quantum computing seem to be very limited. There are some types of problems for which it is very much faster than regular computers and many more for which it is likely slower.

It is NOT in general "faster computing" for all algorithms.
 
phinds said:
The prospects of quantum computing seem to be very limited. There are some types of problems for which it is very much faster than regular computers and many more for which it is likely slower.

It is NOT in general "faster computing" for all algorithms.

If a qubit is both 1 and 2 at the same time, how would this not result in generally faster computing?
 
ChrisisC said:
If a qubit is both 1 and 2 at the same time, how would this not result in generally faster computing?
I don't know enough to answer that but it's more complicated than you think. There are numerous threads here on PF about quantum computing. I suggest a forum search. As always, a good place to start is with the links at the bottom of the thread.
 
phinds said:
I don't know enough to answer that but it's more complicated than you think. There are numerous threads here on PF about quantum computing. I suggest a forum search. As always, a good place to start is with the links at the bottom of the thread.

thanks for the suggestion!
 
ChrisisC said:
If a qubit is both 1 and 2 at the same time

It isn't.
 
PeterDonis said:
It isn't.

0 and 1 is what i meant to say
 
ChrisisC said:
0 and 1 is what i meant to say

Doesn't change the answer. Quantum superposition does not mean the qubit has both values at the same time.
 

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