Concrete surrounds us in our cities and stretches across the land in a vast network of highways. It's so ubiquitous that most of us take it for granted, but many aren't aware that concrete's key ingredient, ordinary portland ...
Engineering
Sep 28, 2015
20
114
The world's oceans could harbor an unpleasant surprise for global warming, based on new research that shows how naturally occurring carbon gases trapped in reservoirs atop the seafloor escaped to superheat the planet in prehistory.
Environment
Feb 13, 2019
29
896
Methane released by thawing permafrost from some Arctic lakes could significantly accelerate climate change, according to a new University of Alaska Fairbanks-led study.
Environment
Aug 16, 2018
2
570
Noble gases, including helium, neon, and argon, are characterized by high chemical inertness which causes low reactivity with other materials and high volatility. Among them, 3He, 20Ne, and 36Ar are particular isotopes which ...
Earth Sciences
May 6, 2021
1
155
A Bristol-led team of physicists has found a way to operate mass manufacturable photonic sensors at the quantum limit. This breakthrough paves the way for practical applications such as monitoring greenhouse gases and cancer ...
Optics & Photonics
Jun 6, 2022
0
363
At a red-brick factory in the German port city of Hamburg, cocoa bean shells go in one end, and out the other comes an amazing black powder with the potential to counter climate change.
Environment
Jun 4, 2023
1
230
Sunlight in, reflected and emitted energy out. That's the fundamental energy balance sheet for our planet. If Earth's clouds, oceans, ice caps and land surfaces send as much energy back up to space as the sun shines down ...
Earth Sciences
Jul 28, 2021
26
3017
Almost all scientists agree that burning fossil fuels is contributing to climate change. But agreement is less clear cut on how exactly it's influencing rising global temperatures.
Environment
Aug 20, 2019
2
148
An analysis of changes to the climate that occur over several decades suggests that these changes are happening faster than historical levels and are starting to speed up. The Earth is now entering a period of changing climate ...
Earth Sciences
Mar 9, 2015
180
1519
The heart of every car is its engine, where the energy of petroleum combustion is transformed to mechanical energy, which makes the car move. Unfortunately, no internal combustion engines are environmentally friendly. Carbon ...
Materials Science
Jan 14, 2016
0
5
