The second law of thermodynamics delineates an asymmetry in how physical systems evolve over time, known as the arrow of time. In macroscopic systems, this asymmetry has a clear direction (e.g., one can easily notice if ...
(Phys.org) —Last week was a big one for space science, as it was announced that astronomers created the first realistic virtual universe—a computer simulation called "Illustris" that is able to recreate 13 billion years ...
(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless stream of energy, ...
With a brilliant idea and equations based on Einstein’s relativity theories, Ronald Mallett from the University of Connecticut has devised an experiment to observe a time traveling neutron in a circulating light beam. While ...
As humans, we live in our thoughts: from pondering what to make for dinner to daydreaming about our last beach vacation. Now, researchers at HHMI's Janelia Research Campus have found that animals also possess an imagination.
Plants & Animals
Nov 2, 2023
2
2864
Life on a faraway planet—if it's out there—might not look anything like life on Earth. But there are only so many chemical ingredients in the universe's pantry, and only so many ways to mix them. A team led by scientists ...
Astrobiology
Sep 19, 2023
1
228
With the effects of climate change underway, drought is becoming an increasing problem in many parts of the world. Michael Bahn, researcher from the Department of Ecology at the University of Innsbruck, was involved in several ...
Environment
Sep 21, 2022
0
125
If you apply enough heat, at some point, most things melt, just like ice cream on a hot summer day.
Materials Science
Aug 29, 2022
0
679
New research led by NASA provides a closer look at a nearby star thought to resemble our young sun. The work allows scientists to better understand what our sun may have been like when it was young, and how it may have shaped ...
Astronomy
Aug 4, 2021
1
449
The first double-blind experiment analyzing the role of human decision-making in climate reconstructions has found that it can lead to substantially different results.
Earth Sciences
Jun 7, 2021
0
171
