Tag: Hydrodynamics
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Active mechanical forces drive how bacteria switch swimming direction
Overview: A new angle on an age-old question Bacteria have long fascinated scientists for their remarkable ability to navigate complex environments. A recent study has shed light on a foundational mystery: how active mechanical forces influence the way swimming bacteria switch direction. By focusing on the physical interactions between a bacterium’s rotating flagella and its…
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Fiery plasma dancing above the sun: close-up astro video
Stunning close-up captures of solar activity An accomplished astrophotographer has delivered a spellbinding glimpse of the sun’s dynamic surface. The clip, captured on October 20, reveals a cloud of hydrogen plasma twisting and dancing high above the solar surface. The motion is guided by powerful magnetic fields that shape and suspend this incandescent plasma, creating…