If you look out your window, you'll probably notice a bunch of things; houses, streets... hopefully a tree. But beyond that you'll see things like mountains, rivers, volcanoes... well, hopefully not a volcano. These are landforms and...

Today on Crash Course Astronomy, Phil explains comets. Comets are chunks of ice and rock that orbit the Sun. When they get near the Sun the ice turns into gas, forming the long tail, and also releases dust that forms a different tail....

The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to...

New ReviewNewton’s Third Law forces are always equal and opposite, but they act on different objects. Learn how to identify these force pairs and draw the correct free-body diagrams.

New ReviewSpace is full of mysteries — from Odd Radio Circles that may be supernova remnants or even wormhole throats, to Jupiter’s fleeting blue sprites and elves flashing above storms.

New ReviewIt's as simple as it gets! Try it!

Welcome back to the Fluctus Channel, as we explores how modern navies counter submarines through advanced antisubmarine warfare tactics, sonar systems, and destroyer operations. Fluctus is a website and YouTube channel dedicated to sea...

“A Trip to the Moon” describes some objects found in space, including the moon.

In this video, we explore equipotential surfaces and how they connect to electric potential and electric field lines. Using clear visuals and step-by-step reasoning, Mr. P helps you see how electric field lines are always perpendicular...

Learn about "The Hottest Planet in the Solar System" with our catchy video! Perfect for kids, this tune will spark your imagination and teach you why Venus holds this title.

Discover "The Moon" with our catchy video that makes learning about Earth's satellite fun and engaging! Perfect for kids, this tune will spark your imagination and teach you interesting facts about the Moon's phases and features.

This video is answering the question of have we explored all of the worlds oceans.

Get to know this large marine mammal.

Calculate the percentage of an object that stays submerged when it floats. Understand the relationship between the density of an object and the fluid it floats in.<br/>

A diver finds the world's oldest sea cargo off Israel. Meanwhile, in the deep Pacific, explorers discover a "yellow brick road" leading to nowhere. This video uncovers these incredible underwater finds and reveals the surprising natural...

Welcome back to the Fluctus Channel, as we explore how the U.S. Navy defends its warships and aircraft carriers against modern aerial and surface threats.



Fluctus is a website and YouTube channel dedicated to sea...

Welcome back to the Fluctus Channel, as we explore the vital role of U.S. Navy dry docks in maintaining and extending the life of warships and submarines.



Fluctus is a website and YouTube channel dedicated to sea...

Welcome back to the Fluctus Channel, as we explore the history, construction, and capabilities of modern submarines, from the earliest designs like the Turtle to today’s nuclear-powered vessels.



Fluctus is a website...

A neutron star spinning at 1 revolution per second is on the edge of tearing itself apart. This lesson breaks down the physics of rotational stability, showing how gravity and circular motion determine the star's minimum mass.

This video explains how to identify a theme in a short story.

Why are cells small in size

This Science 6 instructional video details the unique properties of water.

Welcome back to the Fluctus Channel, as we explore the complex world of undersea cable installation and repair, highlighting advanced cable-laying ships, and offshore wind power infrastructure.





Fluctus is a...

Where is the center of the universe? All this, everything you see around you, started in a big bang, from a point smaller than the point at the end of this sentence. It as an infinitesimally small point, called a singularity....