Colder Helium-Filled Twin World of Matter
Chapter 1

The broken mirror of our universe

Chapter 2

The dark sector and its hidden forces

Chapter 3

Hunting for the invisible in the lab

Chapter 4

Mirror stars and invisible galaxies

Ch 1 · The broken mirror of our universe
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007skaty The chemistry of a colder mirror universe

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007skaty The Helium Mirror Universe

Colder twin world / Swirling helium / Lost in the dark

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007skaty Mirror matter interacts through its own twin set of physical forces.

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The day mirror symmetry broke

007skaty Experimentalist Chien-Shiung Wu proved this weeks later using decaying cobalt-60 atoms, earning the duo the 1957 Nobel Prize.

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Restoring balance with Alice matter

007skaty Mirror particles with right-handed interactions balance the left-handed forces of ordinary matter

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Twin Force Friends
BETA

007skaty Match twin forces in parallel worlds to discover how different types of matter behave.

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Fun Fact

Left-handed weak force: All neutrinos in our visible universe are strictly "left-handed," spinning counterclockwise relative to their motion, while mirror neutrinos would spin clockwise.

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Glossary
mirror universe (noun)
A hypothetical parallel cosmos that is a symmetric counterpart to our own. In January 2024, physicists proposed that dark matter resides in a deformed replica of our cosmos.

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Gossip

Do you think we will find proof of mirror matter in your lifetime?

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Quiz

Which experimental physicist proved that parity symmetry is violated in weak nuclear interactions?

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Gossip

Would you want to travel to a mirror universe if it were possible?

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Quiz

What is 'parity' in the context of physics laws?

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Quiz

Why is mirror matter sometimes poetically referred to as 'Alice matter'?

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Quiz

In what decade did Soviet physicists first formally propose the modern concept of mirror matter?

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Quiz

What particle is hypothesized to carry the force of mirror electromagnetism?

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Quiz

Which of the four fundamental forces is fully shared between ordinary matter and mirror matter?

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Quiz

Why must the mirror universe have been colder than our universe during the Big Bang?

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Quiz

What element is predicted to dominantly make up the mirror universe instead of hydrogen?

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