[q_eng_anon]

Is she getting 'interference' and 'de-coherence' mixed up..?

[holstvoogd]

I believe you might be right, interference is exactly what you want from a quantum computer I think.

And the test they did show that they actually achieved interference. How you'd call that quantum supremacy is a bit of a strech tough if you ask me. Looks to be like saying 'hey, a quantum system can simulate quantum behavior quicker than a classical computer' which is kinda implied

[mrfox321]

No. Interference is what makes quantum computers work. Decoherence destroys superposition.

[reikonomusha]

The person FTA is saying interference is what causes issues, so I believe there is a mix up.