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Quantum Made Simple(r)

Riccardo Arpe

Short lectures on quantum technologies, from first principles to real-world news, written to be truly accessible.

Platform
Substack
PricingOnly free issuesPublishesWeekly
Issues23Founded9 months agoLast Issue20 days ago
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arpericcardo.substack.com
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Latest Issues

Classical Cryptography is Dead

Let us say you and I want to share a secret.

We meet in person and we exchange it. Done.

Thanks for reading

Just kidding.

What if we then have to exchange other things we want to keep secret, and we cannot meet every time?

The solutio...

20 days ago
15
3

Your Eyes are Quantum Detectors


Quantum technologies more often than not rely on light, and in particular on single or few photons.

Photons are indeed quantum particles that are useful for a huge range of experiments: quantum memories, quantum cryptography, quantu...

a month ago
9
2

Notes #8: From Quantum Mechanics to Technologies

Les Constructeurs (définitif) - Fernand Léger. As in this painting we have now to start building something even if the background seems so strange.

We started these lecture notes by saying that, at the microscopic level, nature is probabil...

a month ago
5
2

The Limits of Intuition

Last week I had the pleasure of speaking with the team at Beyond Matter, their page is great, they write genuinely interesting stuff and the aesthetic alone is worth the visit. Go and check it out.

Beyond Matter

Bridging rigorous physics...

a month ago
9
1

Notes #7: Wigner’s Friend

Three Spheres II by M.C. Escher. In my head, Escher in this painting is Wigner looking inside his sphere to see if he can get some stray information leaking out.

In the last notes about the interpretations of quantum mechanics I hope that...

2 months ago
5
3

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  • Riccardo Arpe

    Quantum engineer exploring quantum technologies from first principles to real-world impact. Lots of physics. Some philosophy. Zero hype...

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