Lifeboat Foundation

Now in Quantum: by Yifan Hong, David T. Stephen, and Aaron J. Friedman https://doi.org/10.22331/q-2024-10-10-1499

Yifan Hong, David T. Stephen, and Aaron J. Friedman, Quantum 8, 1499 (2024). We constrain a broad class of teleportation protocols using insights from locality. In the “standard” teleportation protocols we consider, all outcome-dependent unitaries are Pauli operators conditioned on linear functions of the measurement outcomes. We find that all such protocols involve preparing a “resource state” exhibiting symmetry-protected topological (SPT) order with Abelian protecting symmetry $\mathcal{G}_{k}= (\mathbb{Z}_2 \times \mathbb{Z}_2)^k$. The $k$ logical states are teleported between the edges of the chain by measuring the corresponding $2k$ string order parameters in the bulk and applying outcome-dependent Paulis. Hence, this single class of nontrivial SPT states is both necessary and sufficient for the standard teleportation of $k$ qubits. We illustrate this result with several examples, including the cluster state, variants thereof, and a nonstabilizer hypergraph state.

The creatures can chat with visitors via mobile, with personalities and accents.

Dead animals at Cambridge’s Museum of Zoology will converse with visitors using AI to share their life stories.

Accidental Discovery in the Lab

The discovery happened unexpectedly during research on warty comb jellies (Mnemiopsis leidyi), also known as sea walnuts, in a lab at the University of Exeter. Researchers noticed that one jelly was missing from a tank, only to realize that a larger jelly was actually two individuals fused together. This accidental fusion occurred when the jellies sustained minor injuries. Excited by the finding, study lead author Kei Jokura immediately shared the discovery with other lab members.

The team then tested whether this fusion could be replicated. They injured 20 comb jellies by removing small sections of their bodies and placed them near each other. Out of the 20, nine pairs fused completely, typically within 24 hours. The merging process also affected their nervous systems, which synchronized rapidly. Researchers observed that the fused individuals reacted as one when poked, indicating a full integration of their neural functions.

Discover how qubits, the building blocks of quantum computing, are revolutionizing fields like medicine and cryptography. Learn why they’re the future.

The platform-agnostic algorithm ignores information related to noise in quantum computers to prevent compounding errors.

Taking aspirin regularly cuts the risk of developing pancreatic cancer by 40% in people with diabetes and by 20% in the general population, according to research.

The PLANETS cancer charity funded the study, which it said has made a “significant finding” for the treatment of what is “one of the worst” cancers because of its poor survival rate.

Researchers at University Hospital Southampton and the University of Southampton studied almost 10,000 people from the UK Biobank – a cohort of 500,000 people aged between 37 and 73 recruited between 2006 and 2010.

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Mycelium can plan and strategize based on their surroundings, even without brains.

🗣️ Listen to what Franz said about it!

👀 So many signature Tesla design cues when you take a closer look.

🫶 This is favourite product of WE ROBOT.

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