## What is the most difficult thing to say?

Top Ten Hardest Things to SayI Love You.

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Goodbye.

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You Were Right.

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I’m Sorry.

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I Hate You.

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Marry Me.

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I Still Love You.

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I Miss You.More items….

## What is harder physics or math?

Physics is harder. If you major in physics then you’ll end up taking almost as much math as the math majors.

## Is gravity a real force?

In general relativity, gravity is a fictitious force. In classical mechanics, fictitious forces are not considered “real” forces. … The issue of gravity being a force or not has nothing to do with general relativity. If you believe that inertial forces are forces, then gravity is a force.

## Can we prove gravity?

The first direct evidence for gravitational radiation was measured on 14 September 2015 by the LIGO detectors. The gravitational waves emitted during the collision of two black holes 1.3 billion-light years from Earth were measured.

## What is the hardest theory to understand?

These are 10 of those theories, which are incredibly hard to understand.Simulacra and Simulations.The Dichotomy Paradox.Vasiliev Equations. … Maxwell’s Equations. … Gödel’s Incompleteness Theorem.The Theory of General Relativity.Quantum Mechanics.We Live on the Event Horizon of a Four Dimensional Black Hole.More items…•

## What is the hardest thing in the world?

Below are the 10 strongest materials known to man:#8 Nanospheres / Nano-Kevlar. … #7 Diamond. … #6 Wurtzite Boron Nitride. … #5 Lonsdaleite. … #4 Dyneema. … #3 Metallic Glass. … #2 Buckypaper. … #1 Graphene. One-atom-thick sheets of carbon are 200 times stronger than steel.More items…•

## What are the hardest things to study?

Top 10 Most Difficult Subjects to StudyForeign Language. … Human Anatomy. … Aerospace Engineering. … Neuroscience. … Statistics. … Psychology. … Forensic Science. … Quantum mechanics. Quantum mechanics is the branch of physics developed to challenge and find solutions to problems unanswered by classical physics.More items…•

## Why is gravity so weird?

Why is gravity so weird? No force is more familiar than gravity — it’s what keeps our feet on the ground, after all. And Einstein’s theory of general relativity gives a mathematical formulation for gravity, describing it as a “warping” of space.

## Can we create gravity?

Artificial gravity can be created using a centripetal force. A centripetal force directed towards the center of the turn is required for any object to move in a circular path. In the context of a rotating space station it is the normal force provided by the spacecraft’s hull that acts as centripetal force.