how do quantum computers work? #IBMQ #ibmcloudgarage @holly_cummins

superposition #IBMQ #ibmcloudgarage @holly_cummins

superposition (“being two opposite things at the same time”) #IBMQ #ibmcloudgarage @holly_cummins

entanglement #IBMQ #ibmcloudgarage @holly_cummins

two superposed particles #IBMQ #ibmcloudgarage @holly_cummins

two superposed particles random #IBMQ #ibmcloudgarage @holly_cummins

not random two superposed particles random #IBMQ #ibmcloudgarage @holly_cummins

two superposed particles #IBMQ #ibmcloudgarage @holly_cummins

random two superposed particles #IBMQ #ibmcloudgarage @holly_cummins

random two superposed particles not random #IBMQ #ibmcloudgarage @holly_cummins

random How can one particle know we measured the other one? not random #IBMQ #ibmcloudgarage @holly_cummins

A physical state that is in a definite state can still behave randomly.

A physical state that is in a definite state can still behave randomly. Two systems that are too far apart to influence each other can still behave in ways that, although individually random, are still strongly correlated.

A physical state that is in a definite state can still behave randomly. Two systems that are too far apart to influence each other can still behave in ways that, although individually random, are still strongly correlated. Quantum computing is about working out how to use these two principles for a new model of computation.

quantum information #IBMQ #IBMGarage @holly_cummins

classical computers 01011101010011 #IBMQ #IBMGarage @holly_cummins

classical computers 01011101010011 01 #IBMQ #IBMGarage @holly_cummins

a classical bit #IBMQ #IBMGarage @holly_cummins

a superposition of 0 and 1 a quantum bit #IBMQ #IBMGarage @holly_cummins

a superposition of 0 and 1 a quantum a qubit bit #IBMQ #IBMGarage @holly_cummins

entangled qubits #IBMQ #IBMGarage @holly_cummins

these are real and you can www.research.ibm.com/ibm-qx play with them now #IBMQ #ibmcloudgarage @holly_cummins #IBMQ #IBMGarage @holly_cummins

why are quantum computers useful? #IBMQ #ibmcloudgarage @holly_cummins

How can we visit multiple destinations with the least amount of fuel? #IBMQ #ibmcloudgarage @holly_cummins

We don’t know. #IBMQ #ibmcloudgarage @holly_cummins

We have the formula, but calculating the answer takes too long. #IBMQ #ibmcloudgarage @holly_cummins

10 cities: answer in 25 minutes #IBMQ #ibmcloudgarage @holly_cummins 16 cities: answer in 27 years

10 cities: answer in 25 minutes #IBMQ #ibmcloudgarage @holly_cummins 16 cities: answer in 27 years

#IBMQ #IBMGarage @holly_cummins

Caffeine #IBMQ #IBMGarage @holly_cummins

everything interacts with everything else. #IBMQ #ibmcloudgarage @holly_cummins

Modelling this needs 48 10 bits. #IBMQ #IBMGarage @holly_cummins

1,000,000,000,000, 000,000,000,000,0 00,000,000,000,00 0,000,000,000 bits #IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

If 1 bit == 1 atom … #IBMQ #ibmcloudgarage @holly_cummins

If 1 bit == 1 atom … We would use 1-10% of the earth. memory required to model caffeine #IBMQ #ibmcloudgarage @holly_cummins

How can something so small be so hard? #IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

quantum computers can quickly search for an answer to a problem as long as it’s easy to verify correctness. #IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

Where’s the Queen? #IBMQ #ibmcloudgarage @holly_cummins

Where’s the Queen? #IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

#IBMQ #ibmcloudgarage @holly_cummins

what about real world problems? #IBMQ #IBMGarage @holly_cummins

simulating chemical molecules #IBMQ #IBMGarage @holly_cummins

materials design #IBMQ #IBMGarage @holly_cummins

potential new lifesaving drugs #IBMQ #IBMGarage @holly_cummins

artificial intelligence classification machine learning linear algebra #IBMQ #IBMGarage @holly_cummins

financial optimization portfolios arbitrage risk #IBMQ #IBMGarage @holly_cummins

logistics #IBMQ #IBMGarage @holly_cummins

qiskit.org #IBMQ #IBMQ #IBMGarage @holly_cummins