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Celebrating the physics of all that flows

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Celebrating the physics of all that flows

FYFD

  • Browse
    • The Archive
    • Themed Series
    • FYFD Videos
    • Research
    • Phenomena
    • Art
    • Reader Questions
  • Follow
    • Email Newsletter
    • Twitter
    • Instagram
    • YouTube
  • Support
  • Events
  • Resources
  • Merch
  • Contact Us
  • Email Newsletter
Atmospheric gravity waves combined with airglow make a glowing bull's eye in the sky over Tibet. Phenomena

Rippling Airglow

Nicole Sharp - February 1, 2023January 9, 2023

Though we rarely notice it, our sky is always aglow. Washed in solar radiation, the oxygen and nitrogen molecules at high altitude get broken apart during the daytime and recombine Keep reading

Close-up of a soap bubble. Research

Chilly Soap Films

Nicole Sharp - January 31, 2023January 5, 2023

Evaporation is a well-known effect in soap films and bubbles. It’s responsible for the ever-changing thickness reflected in the film’s many colors. But evaporation does more than change the bubble’s Keep reading

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Phenomena

Hollow Drops

Nicole Sharp - January 30, 2023January 5, 2023

When a partially-air-filled drop hits a surface, it splashes and rebounds in a complex fashion. This video breaks down the physics of the process. Upon impact, a lamella spreads, eventually Keep reading

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Art

“aBiogenesis”

Nicole Sharp - January 27, 2023January 4, 2023

Many theories posit the physical and chemical origins of life. In the short film “aBiogenesis”, CGI artist Markos Kay imagines one such theory — the lipid world theory — in Keep reading

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Research

Listen to a Martian Dust Devil

Nicole Sharp - January 26, 2023January 3, 2023

A lucky encounter led the Perseverance rover to record the first-ever sound of a dust devil on Mars. The rover happened to have its microphone on (something that only happens Keep reading

Silke Weinfurtner alongside the apparatus she and her students use to simulate black hole physics. Phenomena

Black Holes in a Bathtub

Nicole Sharp - January 25, 2023January 3, 2023

Physicist Silke Weinfurtner studies fluids, not for themselves, but for what they can teach us about black holes, cosmic inflation, and quantum gravity. Black holes are notoriously difficult to study Keep reading

A marsh grass shrimp swimming. Research

Drag Reduction for Swimming Shrimp

Nicole Sharp - January 24, 2023December 15, 2022

Marsh grass shrimp, despite their small size, are zippy swimmers. They move using a series of closely-spaced legs that stroke asynchronously. Researchers found that the flexibility and stiffness of the Keep reading

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Phenomena

Spinning Liquids With Lego

Nicole Sharp - January 23, 2023December 14, 2022

One way to explore the effects of spinning liquids at high-speeds is to build an expensive and precise lab apparatus. Another method is to raid the Lego bin. Here, a Keep reading

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Art

“Iridescent”

Nicole Sharp - January 20, 2023December 14, 2022

Soft colors and sudden coalescence combine in this short film from Susi Sie’s team. The visuals rely on liquid lenses (likely oil) floating atop a water bath. You can see Keep reading

Laser illumination reveals the plume of aerosol particles from the flush of a typical public toilet. Research

Toilet Plumes

Nicole Sharp - January 19, 2023December 13, 2022

Toilet flushes are gross. We’ve seen it before, though not in the same detail as this study. Here, researchers illuminate the spray from the flush of a typical commercial toilet, Keep reading

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About FYFD

FYFD celebrates the physics of all that flows. It was established in 2010 by Nicole Sharp, PhD. You can also follow FYFD on Twitter, YouTube and Instagram.

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