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How do Companion cards from Ikoria work in Commander?

Today the Ikoria previews revealed a new mechanic: companion. From Ikoria: Lair of Behemoths Mechanics, you can choose up to one companion card in your sideboard...

1

Board & Card Games Asked on 2 years ago

Use of angular diameter to determine distance in special relativity

Summary: at relativistic speeds, if you compute a planet's relative distance using angular diameter (roughly proportional to 1/angular diameter), will that computed distance increase or decrease linearly, assuming you are...

2

Physics Asked on 2 years ago

Does the existence of soft Goldstone mode makes a topological superfluid unstable?

When people talk about topological order and Majorana fermions in a BCS superfluid, do they admit the existence of a massless Goldstone mode? (As I've heard that soft Goldstone mode...

1

Physics Asked on 2 years ago

Interpretation of Hilbert space in the Wightman Axioms for QFT

My confusion is about the different Hilbert spaces we meet in QFT. In a first introduction to QFT, the Hilbert space is often taken to consist of wavefunctionals on classical...

4

Physics Asked on 2 years ago

What is a piezoelectric sorption detector?

I'd like to know what a piezoelectric sorption detector is. I can hardly find information about, only a small number of research papers which are mostly not accessable for me....

1

Physics Asked on 2 years ago

Any open-source to animate 2D materials in 3D. (e.g. van der Waals heterostructures, 2D crystal layers etc.)

I want to model different 2D nano-structures, layered materials in 3D (animated version). Is there any open source where I can build these structures? ...

0

Physics Asked on 2 years ago

Why do the turns of an electromagnet repel one another?

I'm trying to understand electromagnets and the relationship between magnetic field and current. Just thinking about a loosely wound coil, with an air core. Something on the wiki page "...

1

Physics Asked on 2 years ago

Nusselt number for a rectangular fin under forced convention

I am looking for the correct Nusselt Equation to calculate the heat transfer coefficient for a rectangular fin acted upon by air with a certain speed...

0

Physics Asked on 2 years ago

What does following animation represent for vacuum (quantum) fluctuation?

On the page of quantum fluctuation, we have a gif representing some kind of fluctuation and according to AFT answer here $H$ which is ...

1

Physics Asked on 2 years ago

When two objects with a potential difference existing between them are connected by a superconductor, will the potential difference cease to exist?

We know that voltage/potential difference is the amount of work done or energy released by the battery/cell for transferring a unit charge for higher potential to lower potential. Now, when...

3

Physics Asked on 2 years ago

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