Astrotek

Astrophysic Astronautic Rocket Aircraft Physic Math Energy Science

[SparkED @Afghan_Engineer]

Transmission vs Distribution.

[MIT CSAIL @MIT_CSAIL]

Free tutorials to help you learn programming tools, v/@ComputerrBooks.

[‏ساحة علم @Greatiist0ffice]

مقطع كنز ☑️😍

[The Chemical Hub @Thechemicalhub]

Common names

[Massimo @Rainmaker1973]

Old cathode ray tube TVs were essentially miniature particle accelerators sitting in our living rooms.

It's fascinating to think that for decades we watched images created by an electron gun firing beams at a phosphor-coated screen, making pixels glow thousands of times per second.

[marco @victor_ade_]

Networking is full of abbreviations, but how many do you actually understand?
Pick 5 from this image and explain them without googling. Let’s see who’s really learning.

[Cosmos Archive @cosmosarcive]

You Think π Is Just 3.14159?

Think Again.
Here are several mathematical formulas that all derive the same constant, π.

[ENGR FIX @engrfix1]

100W powerful inverter circuit

[Mathematica @mathemetica]

Tensors generalize vectors as lists and matrices as grids into higher-order arrays like 3D cubes.

Comparisons include a vector as a list, a matrix as a grid, and a 3-tensor as a cube, along with the stress tensor σij on a cube featuring arrows for components like σ11 and σ23, the product derivative rule, the Riemann curvature tensor R(u,v)w = ∇u ∇_v w − ∇_v ∇_u w − ∇[u,v]w, quantum superposition 1/√2(|00⟩ + |11⟩), and algebraic operations like the tensor product.

It is used to analyze internal forces and deformations in engineering materials and to describe the geometry of spacetime under gravity in general relativity.

[ENGR FIX @engrfix1]

Power Supply Circuit

[Electrical Knowledge @electric_4u]

Capacitor

[Engineer Things @EngineerThing]

Types of Antifreeze

[Python Programming @PythonPr]

5 Python Tricks That Will Save You Hours of Coding

[SolvingForZ @SolvingForZ]

The ultimate cheat codes for Vector Calculus are here! 🧠✨

​Understanding how to convert between line, surface, and volume integrals is crucial for tackling advanced problems. Here is your quick visual summary:

1️⃣ Green's Theorem: Connects a line integral around a simple closed curve to a double integral over the plane region it encloses.

2️⃣ Stokes' Theorem: Relates the surface integral of the curl of a vector field to the line integral of the vector field around the boundary.

3️⃣ Divergence Theorem: Connects the flux of a vector field through a closed surface to the volume integral of the divergence over the enclosed region.

4️⃣ Gradient Theorem: The fundamental theorem of calculus for line integrals!

​Smash that save button to keep these fresh in your memory! 🔖

​#Vector #Calculus #Math #Maths

[Code Geek @codek_tv]

Basic to advanced algebra formula for all competitive exams

[Physics Explained @PhysicsExpvf]

Investigate magnetic field lines

[marco @victor_ade_]

Every networking student has that moment when subnetting finally clicks.

Once you understand network bits vs. host bits, everything starts making sense.

Practice is the real shortcut, every networking enthusiast needs to understand the concept of subnetting.