8legs: University of rochester

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#1 out of 2

1d ago

Researchers report a method to make ordinary aluminum tubes float indefinitely by altering the inner surface to be water-repellent.
A middle divider was added so the air pocket remains trapped even if the tube is pushed into water.
The approach creates a stable, microtextured surface that traps air to keep the tube buoyant in rough seas.
The team demonstrated buoyant, raid-like arrangements by connecting multiple tubes to form rafts.
Tests showed the tubes remained buoyant for weeks in rough conditions without degradation.
The technology could be scaled to support heavy loads and integrate with renewable energy concepts.
Funding came from the National Science Foundation and the Goergen Institute for Data Science and AI at URochester.
The study appears in Advanced Functional Materials and is led by Chunlei Guo and colleagues.
The research cites natural buoyancy strategies from diving bell spiders and fire ants as inspiration.
Researchers anticipate future scaling to arm infrastructure with buoyant, energy-harvesting capabilities.

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#2 out of 2

1d ago

New simulations show Earth’s atmosphere slowly leaks and can accumulate on the Moon’s near side over billions of years.
The team used computer simulations to show how charged atoms escape Earth and reach the Moon, especially during magnetic-tail passages.
During brief monthly alignments, the Moon travels through Earth’s magnetotail, guiding escaping atoms toward its surface.
Regolith on the Moon traps incoming atoms, slowing them and locking them into the soil over time.
Lunar samples from Apollo 14 and 17 helped validate the simulations by showing distinct Earth-derived isotopes.
Isotopic analysis distinguishes Earth-origin atoms from those formed in the solar wind.
The study describes the Moon acting as a time capsule for parts of Earth’s ancient atmosphere.
Future missions could test Earth-derived gases directly on the Moon to support life-support and propulsion needs.
The research connects space physics, magnetic fields, and lunar geology in understanding Earth–Moon exchanges.

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