Physics Girl

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Physics Girl

@physicsgirl

Physics Girl is a YouTube channel created by Dianna Cowern that adventures into the physical sciences with experiments, demonstrations, and cool new discoveries. Physics Girl has videos for every atom and eve. Mailing address: Physics Girl PO Box 9281 San Diego CA, 92169

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My Favorite Christmas Party Trick

YouTubeNov 8, 2026

I Tried to Film a Video. I Still Haven't Recovered.

YouTubeOct 27, 2026

My easiest trick to TRY AT HOME!

YouTubeOct 24, 2026

I Turned a Lemon Into a Battery

YouTubeOct 18, 2026

I Had No Idea I'd Lose Everything...

YouTubeOct 10, 2026

The World’s Biggest “Battery” Isn’t a Battery

YouTubeSep 21, 2026

BREAKING: A New Phase of Matter

YouTubeSep 13, 2026

This Camera Sees Minutes Into the Past

YouTubeSep 6, 2026

How Does Light Turn Into Color?

YouTubeAug 23, 2026

This Solar Plant Doesn’t Use Solar Panels

YouTubeJun 18, 2026

100 years later...Einstein was right

YouTubeJun 10, 2026

I Rode a Nuclear Submarine Under Arctic Ice

YouTubeMay 31, 2026

This Party Trick Is Pure Physics

YouTubeMay 13, 2026

What would happen if the Sun dissapeared?

YouTubeMay 2, 2026

What happened to my face

YouTubeApr 26, 2026

What is a mud volcano?

YouTubeApr 18, 2026

Are Perpetual Motion Machines Possible?

YouTubeApr 11, 2026

BREAKING the laws of physics!

YouTubeApr 3, 2026

My first science video in 3 years!

YouTubeMar 29, 2026

The Ocean Floor Is Covered in This

YouTubeMar 22, 2026

Insane Science Experiment in Slow Motion

YouTubeMar 15, 2026

Galaxies Move Faster Than Light

YouTubeMar 6, 2026

My first science video in 3 years

YouTubeMar 3, 2026

Why Is My Coffee Acting Like This?

YouTubeFeb 17, 2026

Something Frozen for 15,000 Years Is Waking Up

YouTubeFeb 7, 2026

How to Make a Fireproof Balloon

YouTubeFeb 1, 2026

East Experiment - Balloon Trick

YouTubeJan 24, 2026

How Fire Looks When It Falls

YouTubeJan 17, 2026

You've Never Seen This

YouTubeJan 7, 2026

The Weirdest Magnet Trick Ever

YouTubeDec 21, 2025

The Universe Expands FAST

YouTubeDec 9, 2025

Read (29)

Science

Facing the Static Giant: Physics, Fear, and the Sovereign Tech Stack

Sometimes, the biggest challenges aren't code-based. Dianna Cowern's Physics Girl uses a Van de Graaff generator to elicit a genuine reaction from iJustine, reminding us that impactful demonstrations can be found anywhere – even in the realm of physics. Let's channel that energy into building our own sovereign tech infrastructure.

Physics Girl

Rogue Geeks

3 min

0 0 016 days ago

Science

95% Invisible: Wrestling with Dark Matter and Dark Energy

Ever feel like you're only seeing a tiny fraction of what's *really* going on? The universe is a master of that feeling. Let's dive into the mind-bending realities of dark matter and dark energy, and why understanding them is the ultimate build project for any Rogue Scientist.

Physics Girl

Rogue Scientists

3 min

0 0 017 days ago

Science

The Liger of the Cosmos: Unveiling Brown Dwarfs

Ever heard of something that's *sort of* a star, but *sort of* a planet? Meet brown dwarfs – mysterious objects bridging the gap between the familiar and the utterly bizarre. Let's dive into what they are, why they're hard to find, and what they tell us about the universe.

Physics Girl

Rogue Scientists

3 min

0 0 018 days ago

Science

Physics & Family: Why Understanding Motion Matters (and How to Teach It)

Ever wondered how physics connects to everyday life and even to keeping our kids safe? This week, we're diving into kinematics with Dianna Cowern’s Physics Girl, exploring motion and its practical applications – and why understanding it can be surprisingly fun for the whole family.

Physics Girl

Rogue Schoolers

3 min

0 0 019 days ago

Science

The Illusion of Color: How Your Brain Tricks Your Eyes (and Why That's Awesome)

Ever seen a rainbow of colors when looking away from a screen? Physics Girl dives into a fascinating optical illusion demonstrating how your brain actively filters information during eye movements, a quirk that reveals a lot about how we perceive the world.

Physics Girl

Rogue Geeks

3 min

0 0 020 days ago

Science

The Universe is Speeding Up: Mind-Bending Expansion and Why It Matters

Ever felt a chill thinking about the vastness of space? Physics Girl dives deep into the accelerating expansion of the universe, showing us it's not just getting bigger, it's doing so *faster*. Let's unpack this cosmic mystery and what it means for our understanding of everything.

Physics Girl

Rogue Scientists

3 min

0 0 021 days ago

Science

Cosmic Oddballs: 5 Stars That Redefine 'Strange'

Ever looked up at the night sky and wondered what's *really* out there? This video dives into five mind-bending stars – from the largest known to the smallest, and even one that's actively devouring its companion!

Physics Girl

Rogue Scientists

3 min

0 0 022 days ago

Science

Solar vs. Lunar Eclipses: A Hands-On Lesson for Homeschoolers

Confused about solar and lunar eclipses? This video breaks down the difference in a way that's easy to understand – and even easier to demonstrate with a few simple supplies!

Physics Girl

Rogue Schoolers

3 min

0 0 023 days ago

Science

Chasing Zero G: A Reminder of What's Possible

Dianna Cowern's physics experiments take us beyond Earth's pull, offering a glimpse of the wonder that awaits us as we look toward the future. Let’s talk about how this kind of audacious pursuit resonates with the Rogue Adventurer spirit.

Physics Girl

Rogue Adventurers

3 min

0 0 024 days ago

Science

Surface Tension Shenanigans: A Simple Trick with a Surprising Twist

Ever flipped a jar of water upside down and wondered how it doesn't spill? Physics Girl just upped the ante with a clever variation using screens and needles – it's a fantastic demonstration of surface tension at work!

Physics Girl

Rogue Scientists

3 min

0 0 025 days ago

Science

Mars: It's Not Just Cold and No Oxygen (The Radiation Problem)

Dreaming of a Martian colony? Don't get hung up on the lack of breathable air and freezing temperatures. Physics Girl highlights a far more insidious threat: constant, sterilizing radiation. Let's break down why this makes Mars a *much* tougher nut to crack than most people realize.

Physics Girl

Rogue Scientists

3 min

0 0 026 days ago

Science

Perfect Pitch: A Physics Lesson for Rogue Musicians

Ever wondered how some musicians instantly know a note's name? This video explores perfect pitch, its surprising connection to physics, and whether it can be learned – a fascinating topic for anyone interested in the science of music.

Physics Girl

Rogue Musicians

3 min

0 0 027 days ago

Science

Levitating Water Droplets: The Leidenfrost Effect & Why You Can Dip Your Hand in Molten Metal (Seriously!)

Ever wondered how someone can dip their hand in molten metal and not get burned? It’s all thanks to the Leidenfrost effect! This video breaks down the insane science of levitating water droplets in slow motion, revealing a surprisingly protective phenomenon.

Physics Girl

Rogue Scientists

3 min

0 0 028 days ago

Science

Smoke, Rings, and Why Vortexes Wobble: Physics Girl Explains!

Ever wondered why a smoke ring through a square hole goes all wiggly? Physics Girl and 3blue1brown break it down with a DIY air cannon and some seriously cool science. Let's dive in!

Physics Girl

Rogue Gamers

3 min

0 0 028 days ago

Science

Buoyancy Breakthrough: The Classic Puzzle That Changes How You See Water

Can you figure out what happens to the water level when you throw a rock? This classic physics puzzle dives deep into displacement and the forces that keep us afloat.

Physics Girl

Rogue Scientists

3 min

0 0 03 months ago

Science

Beyond the Gift: How Training Builds the Ultimate Musical Ear

Perfect pitch is fascinating, but true musical mastery comes not from innate gifts, but from disciplined, structured training.

Physics Girl

Rogue Musicians

4 min

0 0 03 months ago

Science

How Do You Make Sand Flow Like Water? The Physics of Fluidization

Forget textbook diagrams. This experiment shows how a simple puff of air can transform granular sand into a fluid-like state, introducing you to the fascinating world of fluid dynamics.

Physics Girl

Rogue Scientists

3 min

0 0 03 months ago

Science

Beyond the Signal: How Standing Waves Define a Stable Node in Physical and Digital Space

Acoustic levitation demonstrates that mastering fundamental physics—specifically standing waves—is about defining stable, predictable points of energy in a seemingly chaotic system.

Physics Girl

Rogue Geeks

3 min

0 0 03 months ago

Science

Beyond the Lens: Filtering Signal Noise in a Centralized World

The physics of light polarization offers a perfect metaphor for data sovereignty, showing how filtering out unwanted signals is key to true digital independence.

Physics Girl

Rogue Geeks

3 min

0 0 03 months ago

Stories

The Deep Clean of the Soul: Lessons in Resilience from Dianna’s Recovery

Dianna's update reminds us that healing, whether physical or toxic, requires patience, commitment, and a powerful support system.

Physics Girl

Rogue Wellness

4 min

0 0 03 months ago

Physics Girl

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