time travel Flashcards

1
Q

are regions in space-time where gravity is incredibly strong, warping space and time to the point of collapse.

A

Black Hole

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2
Q

once dismissed by Einstein as “spooky action at a distance,” has been confirmed through experiments. It involves the correlation of properties between particles, even when separated by vast distances, hinting at instantaneous communication between them.

A

Quantum Entanglement

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3
Q

are theoretical constructs addressing the bending of space-time, potentially connecting distant parts of the universe or different timelines. However, their creation and traversal present significant challenges in theoretical physics and practical engineering.

A

Wormhole

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4
Q

The past is immutable and cannot be changed. Once an event occurs, it remains fixed, akin to trying to unscramble an egg.

Any attempt to alter the past would require adding more energy to the system, leading to increased disorder, as per the second law of thermodynamics.

A

Past can’t be changed

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5
Q

Even when parties travel back in time, the future they left cannot be changed. All events remain as fixed points in time. The actions of the traveler have already become part of history.

A

Nature prevents “Paradoxes”- Fixed Timeline

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6
Q

Nature enforces a “—–,” where events cannot be altered, even with time travel. This means that the past, present, and future are predetermined, and any attempts to change past events are futile.

A

fixed timeline

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7
Q

Altered events in the past have definite impacts on the present.

A

Nature prevents “Paradoxes”- Dynamic Timeline

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8
Q

Nature allows for a “—–,” where altering events in the past can create paradoxes due to their definite impacts on the present.

A

dynamic timeline

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9
Q

grants the traveler impunity, affecting only the new timeline. For instance, preventing the birth of a grandfather could lead to significant differences in reality.

A

Parallel World

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10
Q

refers to the various ways time moves forward or unfolds.

A

ARROWS OF TIME

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11
Q

This idea is rooted in the principles of ——, where entropy tends to increase, leading to a more disordered state. Even if we look back at past eras, we can see a progression towards more disorder, both in societal and physical systems.

A

Thermodynamic Arrow

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12
Q

emphasizes the asymmetry between our knowledge of the past and uncertainty about the future.

A

Psychological Arrow

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13
Q

traces the universe’s evolution from a dense singularity to its current complex state. This journey involves rapid expansion, leading to the formation of celestial bodies and the dispersion of matter.

A

Cosmological Arrow

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