PHYSICS INFORMATION AND VIDEOS

By Garry Mason | Physics related articles and tutoring and video information. 

Try Out This Physics Problem With a Baseball and a Neighbor

The best questions are always the ones that don't have a single clear answer. In my physics classes, I like to present students with problems that …

Hung Up

These Gravity-Defying Hills Are One of The Strangest Natural Phenomena We've Seen

Where cars drift uphill.<p>Scattered across the world are a number of bewildering 'mystery spots' that appear to defy gravity - places where cars seem …

The Wild Physics of a Firefighter's Window Catch

Are superheroes real? Maybe. In this recently released video, a firefighter in Latvia catches a man falling past a window. Let me tell you something. …

NASA is about to create the coldest spot in the known universe

The Cold Atom Laboratory launched this morning<p>Beyond the bounds of our planet, the record for the coldest temperature is currently held by the Boomerang Nebula, a swiftly moving chill cloud of dust and gas that stays at a cool one degree Kelvin, or –458°F. Down here on the ground, physicists manage …

This physicist’s ideas of time will blow your mind

Time feels real to people. But it doesn’t even exist, according to quantum physics. “There is no time variable in the fundamental equations that describe the world,” theoretical physicist Carlo Rovelli tells Quartz.<p>If you met him socially, Rovelli wouldn’t assault you with abstractions and math to …

Physics

Scientists discover how to harness the power of quantum spookiness by entangling clouds of atoms

From tunnelling through impenetrable barriers to being in two places at the same time, the quantum world of atoms and particles is famously bizarre. …

Experiment shows Einstein's quantum 'spooky action' approaches the human scale

Quantum physics is often defined as the physics of the very small – think atoms, electrons and photons.<p>But we have managed to demonstrate one of the …

This Video About The Scale of Black Holes Will Crush Your Poor, Tiny Brain

We were not prepared for this.<p>Black holes are vast, matter-annihilating objects that seem to defy physics by their very existence. They're so weird, …

blackholes

These 4 Cosmic Phenomena Travel Faster Than The Speed of Light

Breaking the light barrier.<p>When Albert Einstein first predicted that light travels the same speed everywhere in our Universe, he essentially stamped …

How Do Mirrors Actually Work? This Video Explains Their Flipping Magic

Okay, we're impressed.<p>Mirror image is a tricky thing, but it's pretty clear when you look at words in a reflection, that mirrors flip things …

Winter Olympics 2018: The Physics of Blazing Fast Bobsled Runs

I don't know very much about bobsleds—but I know quite a bit about physics. Here is my very brief summary of the bobsled event in the winter …

Physics

Fundamental Physical Constants

And Examples of When They May Be Used<p>Physics is described in the language of mathematics, and the equations of this language make use of a wide array …

The Scientific Secret to Blocking Bullets Like WONDER WOMAN

Diana of Themyscira is certainly wondrous. Made by the gods themselves, she is strong and agile enough to identify and dodge bullets <i>The Matrix</i>-style, …

Science

How to Hoist Yourself Out of a Hole With Physics

No one can deny that there are some great physics videos out there in the wild internet. Today, I found this one<p>floating around—featuring what …

Why Don't We Have Artificial Gravity In Space?

Put a human being up in space, away from the gravitational bonds of the surface of the Earth, and they’ll experience weightlessness. Although all the masses in the Universe are still pulling on them gravitationally, they pull on whatever spaceship you’re in equally, too, and so you float. In TV …

Temperature Is Not What You Think It Is

What is temperature? This question comes up quite a bit—especially in introductory science courses. The most common answer is something like</i> …

The Wacky Physics of Firing a Ball Out of a Moving Cart

Author: Rhett Allain. Rhett Allain Science<p>Date of Publication: 04.21.17.<p>Time of Publication: 9:30 am. 9:30 am<p>One of the many awesome things about …

This animation shows how fast a rocket must go to leave every planet

Elon Musk's private rocket company SpaceX announced Monday that it plans to launch two paying customers around the moon in late 2018.<p>How hard will that be to accomplish, exactly?<p>Gravity makes it possible for us to live on Earth, but it also makes it pretty hard to leave.<p>Satellites fight gravity by …

MacGyver's Body-Bag Freefall Might Actually Work. Physics Says So

Everyone knows MacGyver. He's the guy who gets out of sticky situations by cobbling stuff together. Here he is in the reboot, maybe four floors up, …

The Root of Gravity

<b>Q:</b> <i>Are we any closer to understanding the root cause of gravity between objects with mass? Can we use our newly discovered knowledge of the Higgs</i> …

Physics

What is the Speed of Light?

Since ancient times, philosophers and scholars have sought to understand light. In addition to trying to discern its basic properties (i.e. what is …

Physics

Time Dilation Is Even More Confusing Than You Thought

Did you know time can rotate?<p>Einstein's theory of relativity has all sorts of weird results that make it difficult to wrap your head around, but one of the weirdest is time dilation. Basically, according to relativity, if you speed up, then time slows down. But that relatively simple idea can lead …

How to Use a Multimeter to Measure Voltage, Current and Resistance

How to Use a Multimeter to Measure Voltage, Current and Resistance<p>Updated on April 25, 2018<p>What is a Multimeter?<p>A digital multimeter or DMM is a …

Arduino

The Incredible Physics of the Hyperloop

There was lots of exciting news this week about the much-anticipated Hyperloop, a high-speed train that would be able to make the trip from San …

Earth - The real reasons nothing can ever go faster than light

It was September 2011 and physicist Antonio Ereditato had just shocked the world.<p>The announcement he had made promised to overturn our understanding of the Universe. If the data gathered by 160 scientists working on the OPERA project were correct, the unthinkable had been observed.<p>Particles – in …

How Physics Will Change—and Change the World—in 100 Years — NOVA Next | PBS

One hundred years ago, Albert Einstein had only just published his revolutionary new theory of gravity, atomic nuclei were entirely mysterious, and …

Einstein's genius changed science's perception of gravity

Albert Einstein opened humankind’s eyes to the universe.<p>Before Einstein, space seemed featureless and changeless, as Isaac Newton had defined it two …

Physics

Endless energy is all around us — and this woman has a brilliant idea for how to harness it

You could be the source of light. You could charge your phone with your own movement.<p>Jessica O. Matthews is making this futuristic vision a reality. She spoke about how it could happen at Refinery29's School of Self Expression at SXSW on March 13.<p>In 2008, she invented the Soccket, a soccer ball …