Espresso coffee is brewed by first grinding roasted coffee beans into grains. Hot water then forces its way through a bed of coffee grains at high pressure, and the soluble content of the coffee grains dissolves into the ...
General Physics
May 9, 2023
3
430
In a world-first, the extent of human development in oceans has been mapped. An area totalling approximately 30,000 square kilometres—the equivalent of 0.008 percent of the ocean—has been modified by human construction, ...
Earth Sciences
Aug 31, 2020
0
895
Researchers have developed a water cloaking concept based on electromagnetic forces that could eliminate an object's wake, greatly reducing its drag while simultaneously helping it avoid detection.
Soft Matter
Dec 11, 2017
7
1362
River flow is reduced in areas where forests have been planted and does not recover over time, a new study has shown. Rivers in some regions can completely disappear within a decade. This highlights the need to consider the ...
Environment
Jan 20, 2020
8
2592
(Phys.org) —The surface of Mars is full of activity, with dust storms, dust devils, and drifting dunes in constant motion. Scientists suspect that similarly rich activity may exist underneath the surface, even though it ...
A volcano on Mars half the size of France spewed so much lava 3.5 billion years ago that the weight displaced the Red Planet's outer layers, according to a study released Wednesday.
Space Exploration
Mar 2, 2016
1
1776
Undulating streaks of land visible from space reveal rivers once coursed across the Martian surface—but for how long did the water flow? Enough time to record evidence of ancient life, according to a new Stanford study.
Space Exploration
Apr 23, 2020
10
846
A team of mathematicians and physicists has discovered how ice formations are shaped by external forces, such as water temperature. Its newly published research may offer another means for gauging factors that cause ice to ...
General Physics
Jan 31, 2022
0
289
Billions of years ago, the Red Planet was far more blue; according to evidence still found on the surface, abundant water flowed across Mars and forming pools, lakes, and deep oceans. The question, then, is where did all ...
Planetary Sciences
Mar 16, 2021
9
3230
Rare earth elements are finding their way into Colorado water supplies, driven by changes in climate, finds a new study published in the journal Environmental Science & Technology.
Environment
Aug 31, 2021
0
616
