10 Mind-Blowing Facts About The Invisible Forces Around Us: You Won't Believe Are True

Proteck'd EMF ApparelHealth & EMF Specialists

Published June 11, 2026·12 min read

How Fast Does Light Actually Travel?

Start with the force that makes everything visible: light. Electromagnetic radiation in the visible spectrum travels at roughly 186,000 miles per second in a vacuum ^[1]. That's fast enough to circle the entire Earth 7.5 times in one second. Just sit with that for a moment.

But here's where it gets really interesting. Light isn't just the stuff that lets you see your coffee mug. It's part of the electromagnetic spectrum, which includes radio waves, microwaves, infrared, ultraviolet, X-rays, and gamma rays. All of these travel at the same speed. The only thing separating them is wavelength and frequency.

According to NASA, when you look at the Andromeda galaxy on a clear night, the light hitting your eyes left that galaxy 2.5 million years ago. You're literally seeing the past. That's the scale we're dealing with when we talk about the speed of electromagnetic radiation. If you want to learn more about how EM radiation shows up in your everyday environment, check out these 7 Mind-Blowing Facts About Electromagnetic Radiation: That Will Change How You See the World.

And despite its incredible speed, light can be slowed down. In 1999, physicist Lene Hau at Harvard slowed light to just 38 miles per hour by passing it through an ultracold sodium gas. Three years later, her team stopped it completely. The fastest thing in the universe, frozen in place. If that doesn't qualify as a mind-blowing physics fact, nothing does.

Are You Really Made of Stardust?

Yes. And this isn't poetic license. It's nuclear physics. Nearly every element in your body, the carbon in your muscles, the calcium in your bones, the iron in your blood, was forged inside the core of a massive star billions of years ago. When those stars exploded as supernovae, they scattered those elements across the cosmos.

Research published in The Astrophysical Journal by astronomers at the Sloan Digital Sky Survey (SDSS) found that about 97% of the human body's mass is made up of elements created in stars ^[1]. The hydrogen in your body is the exception. That stuff has been around since the Big Bang itself, roughly 13.8 billion years ago.

Here's the part that genuinely gets me. The atoms in your left hand might have come from a completely different star than the atoms in your right hand. You are literally a patchwork quilt stitched together from the remnants of cosmic explosions. For more strange facts about what your body is actually made of, I'd recommend 10 Mind-Blowing Facts About the Human Body: You Probably Didn't Know.

You're not really touching anything. The electrons in your fingertips push against the electrons in every object you hold, and the electromagnetic repulsion is so strong it perfectly mimics the sensation of contact. Solid objects are mostly empty space held together by invisible forces.

Does Time Really Slow Down at High Speeds?

It does. And this isn't just theory anymore. It's been measured, confirmed, and it affects technology you use every single day. Albert Einstein's 1905 theory of special relativity predicted that time passes more slowly for objects moving at high speeds relative to a stationary observer. This is called time dilation.

In 1971, physicists Joseph Hafele and Richard Keating flew atomic clocks on commercial airliners around the world, then compared them to clocks that stayed on the ground. The airborne clocks showed measurable time differences, exactly as Einstein predicted. Time literally moved slower for the clocks in the sky.

Here's the everyday example that brings this home. GPS satellites orbit Earth at about 8,700 miles per hour, and they sit in a weaker gravitational field than clocks on the ground. Both special and general relativity affect their onboard atomic clocks. Without corrections of about 38 microseconds per day, your GPS location would drift by roughly 6 miles. The fact that your phone can pinpoint your location to within a few feet? That's direct proof that Einstein's mind-blowing physics facts are safe, settled science.

So the next time someone asks "is physics facts mind blowing safe to believe?" just point them to their phone's map app. Relativity isn't a theory you can take or leave. It's running in your pocket right now.

What Exactly Are the Electromagnetic Fields Around You?

Every second of every day, you're immersed in electromagnetic fields. Your phone, your Wi-Fi router, your microwave, the wiring in your walls. Even the Earth itself generates an EM field. These invisible forces are as real as the chair you're sitting on, even though you can't see, hear, or feel them.

The electromagnetic spectrum is enormous. At the low end, you have extremely low frequency (ELF) fields from power lines at 50 to 60 Hz. Then radio frequencies, including your Wi-Fi at 2.4 GHz or 5 GHz. Further up: infrared, visible light, ultraviolet, X-rays, and gamma rays. The higher the frequency, the more energy the wave carries.

The World Health Organization's International Agency for Research on Cancer (IARC) classified radiofrequency electromagnetic fields as Group 2B in 2011, meaning "possibly carcinogenic to humans" ^[2]. That classification came partly from studies examining heavy cell phone use. It doesn't mean your router is going to hurt you. But it does mean the scientific community thinks more research is warranted.

If you're curious about reducing your everyday exposure, companies like Proteck'd EMF Protection have developed clothing lines using conductive fabrics specifically designed to shield against radiofrequency radiation. It's the kind of practical step that makes sense once you understand the science behind these invisible fields. You can Learn About EMF Protection to understand how shielding fabrics actually work.

Is It True That Atoms Are Mostly Empty Space?

This might be the most unsettling fact on this entire list. The atoms that make up everything you see, your desk, your dog, your own hands, are approximately 99.9999999999996% empty space ^[1]. If you could remove all the empty space from every atom in every human on Earth, the remaining matter would fit inside a single sugar cube.

So why doesn't your hand pass right through the table? It's not because atoms are solid. It's because of electromagnetic forces. The electron clouds surrounding each atom repel each other with incredible strength. What you experience as "solid" is really just electromagnetic repulsion between particles that never actually touch.

Think about that the next time you pick up your phone. You're not really touching it. The electrons in your fingertips are pushing against the electrons in the glass screen, and the repulsive electromagnetic force is so strong it perfectly mimics the sensation of contact. The physics of everyday life is far stranger than most people realize. For more science that sounds like fiction, take a look at 12 Fascinating Tech Facts That Sound Too Weird to Be True: The Complete List.

How Much Radiation Does Your Own Body Emit?

You are a source of electromagnetic radiation right now. Seriously. Every warm object emits infrared radiation, and you're no exception. The average human body radiates roughly 100 watts of power in the form of infrared EM radiation, peaking at a wavelength of about 10 micrometers. That's about the same energy output as an old incandescent light bulb.

This is the principle behind thermal imaging cameras. When police helicopters track suspects at night using infrared, they're literally detecting the electromagnetic radiation your body can't help but give off. It's also why you can sense someone standing close to you in a dark room. Your skin has thermoreceptors that pick up on infrared radiation from nearby warm objects.

This also helps answer the broader question of whether mind-blowing physics facts about invisible radiation should concern you. The radiation you emit is non-ionizing infrared. It doesn't damage DNA. It's just heat. The distinction between ionizing and non-ionizing radiation is one of the most important concepts in understanding EMF safety, and it's something the NIH has published extensively on ^[3].

Can Gravity Actually Bend Light and Warp Time?

Einstein predicted it in 1915 with his general theory of relativity. In 1919, British astronomer Sir Arthur Eddington proved it by photographing stars during a solar eclipse and showing that their apparent positions had shifted. Gravity, Einstein argued, isn't a force pulling you down. It's the curvature of space-time caused by mass. Massive objects bend not just space, but also time and light.

This phenomenon, called gravitational lensing, is now used by astronomers at institutions like the European Space Agency (ESA) and the Hubble Space Telescope team to study galaxies billions of light-years away. By watching how a foreground galaxy bends light from more distant objects behind it, scientists can map the distribution of dark matter in the universe.

On Earth, the effect is subtle but measurable. Clocks at the top of a skyscraper tick faster than clocks at ground level because they're farther from Earth's center of mass. In 2010, researchers at the National Institute of Standards and Technology (NIST) detected this time difference across a height change of just one foot using optical atomic clocks. Gravity is literally warping time in your living room, floor by floor.

Nature keeps surprising us. If you want to see more examples of how the natural world defies expectations, you'll enjoy 12 Mind-Blowing Facts About Nature: That Science Just Discovered.

What Is Cosmic Radiation and Are You Exposed to It?

Every minute of every day, high-energy particles from deep space slam into Earth's atmosphere. These are cosmic rays, and they come from supernovae, black holes, and other violent astrophysical events. When they hit our atmosphere, they create showers of secondary particles. Some of those reach the ground. Right now, about one muon (a subatomic particle created by cosmic ray interactions) is passing through an area the size of your hand every second.

According to the National Council on Radiation Protection and Measurements (NCRP), the average American receives about 6.2 millisieverts (mSv) of radiation per year from all sources. Roughly half of that comes from natural background radiation, including cosmic rays. The higher your altitude, the more cosmic radiation you get. Pilots and frequent flyers receive noticeably more exposure than ground-level office workers.

The Federal Aviation Administration (FAA) actually classifies airline crew members as occupationally exposed to radiation. A single round-trip flight from New York to Tokyo exposes you to roughly 0.1 to 0.2 mSv of cosmic radiation. That's about the same dose as a chest X-ray. Not dangerous on its own, but it adds up for people who fly often.

This is one of those physics facts that's mind blowing and safe to know because awareness lets you make real choices. If you already think about everyday EMF exposure from devices, understanding cosmic radiation rounds out the picture. The Faraday Collection from Proteck'd is designed with this kind of awareness in mind, offering wearable shielding that addresses the radiofrequency portion of your daily exposure.

Do Quantum Particles Really Exist in Two Places at Once?

Welcome to quantum mechanics, where the rules you learned in school stop working. In the quantum world, particles like electrons and photons can exist in a state called superposition, meaning they behave as if they're in multiple states at the same time, until someone measures them. This isn't speculation. It's been demonstrated in labs thousands of times since Thomas Young's famous double-slit experiment in 1801.

In 2019, a team of physicists at the University of Glasgow actually captured the first-ever photograph of quantum entanglement, another phenomenon Einstein famously called "spooky action at a distance." When two particles are entangled, measuring one instantly affects the other, no matter how far apart they are. Researchers have confirmed entanglement over distances exceeding 1,200 kilometers, using the Chinese satellite Micius launched in 2016.

What does this have to do with invisible forces around you? More than you'd expect. Quantum effects underpin the behavior of all electromagnetic radiation. The photons streaming from your phone screen, the radio waves carrying your Wi-Fi signal, the infrared radiation your body emits. They're all governed by quantum mechanics. The visible world is built on invisible quantum weirdness.

Is this mind-blowing physics safe to build technology on? Absolutely. Quantum mechanics is the foundation of semiconductors, lasers, MRI machines, and the transistors in every device you own. Without quantum physics, the modern world simply wouldn't exist.

Why Should You Care About the Invisible Forces in Your Everyday Life?

Here's where it all comes together. You're living in an ocean of invisible forces: electromagnetic fields from your devices, gravitational fields warping space-time, cosmic rays from distant galaxies, quantum interactions at the subatomic level. Most people go their entire lives completely unaware of any of it. But awareness changes behavior, and behavior affects health.

The FCC sets specific absorption rate (SAR) limits for cell phones at 1.6 W/kg averaged over 1 gram of tissue ^[3]. That's the maximum amount of radiofrequency energy your body should absorb from a device pressed against your head. Most modern phones fall well within this limit, but the limit exists for a reason. Regulatory agencies like the FCC and the WHO acknowledge that there's enough scientific uncertainty to warrant caution.

Small, practical steps can make a real difference. Using speakerphone instead of pressing your phone to your ear. Keeping devices out of the bedroom while you sleep. Choosing clothing with built-in EMF shielding for everyday wear. These aren't paranoid reactions. They're informed choices backed by actual physics and ongoing research from institutions like the National Institute of Environmental Health Sciences (NIEHS) ^[4].

The question "is physics facts mind blowing safe" really cuts both ways. The facts themselves? Totally safe, and endlessly fascinating. The forces they describe? Mostly fine at typical exposure levels, but worth understanding so you can take smart precautions. That's the whole point. Not fear. Awareness.

About the Author

Proteck'd EMF Apparel

Health & EMF Specialists

The Proteck'd team covers EMF protection, silver-fiber apparel, and practical ways to reduce everyday radiation exposure. Every piece Proteck'd ships is designed, tested, and worn by the people who build it.