What's up in

Abstractions

Diagram showing blocks of different sizes colliding, along with different vectors
Abstractions blog

How Pi Connects Colliding Blocks to a Quantum Search Algorithm

January 21, 2020

A curious physicist has discovered an unexpected link between theoretical block collisions and a famed quantum search algorithm.

Abstractions blog

Biodiversity Alters Strategies of Bacterial Evolution

January 6, 2020

In evolution, context is everything: Bacteria with neighbors evolve to rebuff viruses in a different way.

A nearly homogeneous field of yellow cytoplasm spontaneously compartmentalizes itself into clumps around the dots of nuclei.
Abstractions blog

Unscrambled Eggs: Self-Organization Restores Cells’ Order

January 2, 2020

To scientists’ surprise, blended mixtures of cytoplasm can reorganize themselves into cell-like compartments with working structural components.

Supernova in galaxy NGC 5584.
Abstractions blog

No Dark Energy? No Chance, Cosmologists Contend

December 17, 2019

A study challenged the evidence for the mysterious antigravitational force known as dark energy. Then cosmologists shot back.

Illustration of brain formed by bubbles.
Abstractions blog

Sleeping Brain Waves Draw a Healthy Bath for Neurons

December 16, 2019

An organized tide of brain waves, blood and spinal fluid pulsing through a sleeping brain may flush away neural toxins that cause Alzheimer’s and other diseases.

A domino, a two of clubs, and a clock face.
Abstractions blog

Why the Laws of Physics Are Inevitable

December 9, 2019

By considering simple symmetries, physicists working on the “bootstrap” can rediscover the basic form of the known forces that shape the universe.

Animation of a black hole rotating.
Abstractions blog

Black Hole Singularities Are as Inescapable as Expected

December 2, 2019

For the first time, physicists have calculated exactly what kind of singularity lies at the center of a realistic black hole.

An overhead shot of an engineer working on a metal tank with pipes and cables coming out of it.
Abstractions blog

Top Dark Matter Candidate Loses Ground to Tiniest Competitor

November 27, 2019

Physicists have long searched for hypothesized dark matter particles called WIMPs. Now, focus may be shifting to the axion — an ultra-lightweight particle whose existence would solve two mysteries at once.

Illustration of a circle representing a black hole on a flat black plane with a multicolored bridge rising out of the plane and spanning from the inside to the outside of the circle.
Abstractions blog

Hologram Within a Hologram Hints at Fate of Black Holes

November 19, 2019

Calculations involving a higher dimension are guiding physicists toward a misstep in Stephen Hawking’s legendary black hole analysis.