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[Mathematica @mathemetica]

God's Equation by Leonhard Euler (1707–1783)
e^{iπ} + 1 = 0

This identity unites five fundamental constants; e (base of natural logarithm), i (imaginary unit), π, 1, and 0; in one elegant stroke.

Derived from Euler’s formula e^{ix} = cos x + i sin x by setting x = π, it reveals cos(π) = –1 and sin(π) = 0. The diagram beautifully illustrates the unit circle in the complex plane, showing e^{iφ} = cos φ + i sin φ.

Often called “God’s equation,” it symbolizes the profound harmony of mathematics, bridging exponentials, trigonometry, and complex numbers.

[𝐂𝐡𝐥𝐨𝐫𝐢𝐬 @floralholicx]

“mathematics is the music of reason”

[Mathematica @mathemetica]

The limit as h → 0... Watch the secant line collapse into the exact tangent at that point.

This is the single most beautiful moment in all of calculus. The definition of the derivative, live.

[The Math Flow @TheMathFlow]

The Basics of Electromagnetic Waves:

Electricity and magnetism can sit still, like static electricity in your hair or a magnet stuck to your fridge. But when they move and change, they actually create each other. Together, they team up to form invisible ripples of energy called electromagnetic waves.

Unlike ocean waves or sound waves, which need water or air to ripple through, electromagnetic waves don't need any material at all. They can easily travel through the completely empty vacuum of space.

Maxwell's Big Idea:

In the 1860s and 1870s, a Scottish scientist named James Clerk Maxwell figured out how this works. He wrote down the math showing exactly how electricity and magnetism link together to make these travelling waves. Today, scientists call his famous rules Maxwell's Equations.

Hertz Proves It:

Later, a German physicist named Heinrich Hertz took Maxwell's ideas and brought them to life. He was the first person to actually create and catch radio waves. To honour his work, we use the word hertz to measure how fast a wave vibrates (one cycle per second).

Hertz's experiments proved two massive ideas:

Radio waves are just invisible light: He showed that radio waves travel at the exact same speed as light, proving that they are actually a form of light we just can't see.

Going wireless: He finally figured out how to detach these energy fields from physical wires, allowing the waves to fly freely through the air exactly as Maxwell had predicted.

[Science Magazine @ScienceExpand]

Truth depends on your point of view

[Massimo @Rainmaker1973]

«Points of view»

[Ramin Nasibov @RaminNasibov]

Each sphere is moving in a straight line

[World of Engineering @engineers_feed]

Mechanical reasoning test. Which direction does the block move?

[World of Engineering @engineers_feed]

Will the box open or close?

[SpaceX @SpaceX]

Watch Falcon 9 launch 20 @Starlink satellites to orbit from California, including 13 with Direct to Cell capabilities https://t.co/jeOuDpJLf0

[Knowledge & History @xKnowledgeBANK]

Linear Regression explained

[Interesting STEM @InterestingSTEM]

How To Solve A Rubix Cube

[Knowledge & History @xKnowledgeBANK]

Important Algebra Formulas

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Geometric Formulas

[Knowledge & History @xKnowledgeBANK]

Some Math Basic Formulas

[Interesting STEM @InterestingSTEM]

Basic Physics

[Interesting STEM @InterestingSTEM]

Trigonometric Functions