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Physics

What Does ‘Happy New Year’ Even Really Mean?

Physicists engage in a strange debate about whether time really passes

Trending Today

Creep Through Albert Einstein’s Love Letters

The Digital Einstein archive offers a look into the great physicist’s writings

Thanks to millions of microscopic hair-like structures, a gecko's foot can resist pulling forces up to 20 times the lizard's own weight.

New Research

Geckos Have a Surprisingly Strong Death Grip

Gecko toes remain firmly stuck in place even after the animal dies, implying that the lizards do not actively control their clinginess

A full-size Boeing 757 tail equipped with sweeping jets was tested in a wind tunnel at the Ames Research Center.

Designing a Smaller, Lighter Airplane Tail

With engineers from Caltech, Boeing and NASA, Israel Wygnanski is ushering in a new era of fuel-efficient airplane design

The quantum realm can seem to defy common sense.

Five Practical Uses for “Spooky” Quantum Mechanics

Fifty years after Bell’s Theorem, tools that harness the weird properties of quantum mechanics are at work all around you

Jura 103

Art Meets Science

The Physics of Whisky’s Aesthetically Pleasing Residue

A photographer teamed up with scientists to figure out the fluid dynamics behind patterns left in whisky glasses

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New Research

Physicists Explain Why Coffee Is More Prone to Spills Than Beer

It all comes down to the foam

Performers in "Multiverse" during the opening of a 2010 art festival in Kiev

New Research

What If There Are Parallel Universes Jostling Ours?

It could explain a lot of weird, quantum physics

Cool Finds

Rainbows Don’t Include Purple Light, So Why Do They Sometimes Seem To?

Supernumerary rings, supernumerary rings, supernummrings

Cool Finds

Build a Cloud Chamber for Cheap And See Particles From Outer Space

A simple device lets you see cosmic rays’ effects with your own eyes

New Research

Like Ants, Small Backpackers Are Adept at Carrying Proportionally Heavier Loads

The weight a person or animal can carry does not increase uniformly with size

A mass of insects teems around an outdoor lamp in Brazil.

The Potential Dark Side of Nobel-Winning LEDs: Pest Problems

The white lighting is clean and efficient but also a lot more attractive to flying invertebrates

Balloons taking off during the Mass Ascension at the opening of the International Balloon Fiesta at Balloon Fiesta Park in Albuquerque, New Mexico.

New Mexico’s Skies Burst With Color During World’s Largest Hot Air Balloon Festival

The 43rd Albuquerque Balloon Fiesta sends hundreds of hot air balloons soaring into the sky

Texas Rangers second baseman Ian Kinsler tags out Tampa Bay Rays' Sam Fuld on a stolen base attempt.

Breaking Down the Science of the Stolen Base

What does it take to swipe second? Math and physics lend their advice

Figuring out the mysteries of the universe, one galaxy collision at a time.

Think Big

What Is the Universe? Real Physics Has Some Mind-Bending Answers

Science says the universe could be a hologram, a computer program, a black hole or a bubble—and there are ways to check

New Research

Ghostly Neutrinos Created in the Heart of the Sun Are Finally Detected

This is the most direct evidence supporting researchers’ ideas about how the Sun is powered

New Research

Geckos Can Control the Movement of Their Toe Hairs

Geckos take advantage of van der Waals forces to run across ceilings, but a simple shift allows them to drop to the ground

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Cool Finds

There’s an Easy (And Tasty) Way to Measure the Speed of Light at Home

You can make surprisingly accurate calculations using chocolate and a microwave

The Verrückt, which opened this summer at the Kansas City Schlitterbahn Waterpark, is the tallest waterslide in the world.

How Do You Build the World’s Tallest Water Slide?

From conceptualization to the first plunge, building the world’s tallest water slide takes more trial-and-error than you might believe

New Research

How a Flock of 400 Flying Birds Manages to Turn in Just Half a Second

The birds’ patterns of movement are surprisingly similar to that of superfluid helium

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