Concentrations of potentially harmful chemical compounds in dust collected from air filtration systems on the International Space Station (ISS) exceed those found in floor dust from many American homes, a new study reveals.
Space Exploration
Aug 8, 2023
3
255
Bacteria are known for breaking down lactose to make yogurt. Now researchers led by Northwestern University and LanzaTech have harnessed bacteria to break down waste carbon dioxide (CO2) to make valuable industrial chemicals.
Biotechnology
Feb 21, 2022
2
1413
Physicists at EPFL, within a large European collaboration, have revised one of the fundamental laws that has been foundational to plasma and fusion research for over three decades, even governing the design of megaprojects ...
Condensed Matter
May 17, 2022
20
3174
An international team of scientists led by Oregon State University researchers has used a novel 500-year dataset to frame a "restorative" pathway through which humanity can avoid the worst ecological and social outcomes of ...
Earth Sciences
Jan 9, 2024
25
836
Engineers working to reverse the proliferation of greenhouse gases know that in addition to reducing carbon dioxide emissions we will also need to remove carbon dioxide from power plant fumes or from the skies. But, what ...
Materials Science
Feb 10, 2022
13
3705
For the past two centuries, humans have relied on fossil fuels for concentrated energy; hundreds of millions of years of photosynthesis packed into a convenient, energy-dense substance. But that supply is finite, and fossil ...
Analytical Chemistry
Nov 11, 2022
11
1331
In a little more than five years—sometime in early 2029—the world will likely be unable to stay below the internationally agreed temperature limit for global warming if it continues to burn fossil fuels at its current ...
Environment
Nov 4, 2023
28
574
On September 12, 1962, then US president John F Kennedy informed the public of his plan to put a man on the Moon by the end of the decade.
Space Exploration
Sep 10, 2022
23
143
Even after 30 months in space, The Planetary Society's LightSail 2 mission continues to successfully "sail on sunbeams," demonstrating solar sail technology in Earth orbit. The mission is providing hard data for future missions ...
Space Exploration
Nov 19, 2021
10
304
A research team at the University of Wisconsin-Madison has identified a new way to convert ammonia to nitrogen gas through a process that could be a step toward ammonia replacing carbon-based fuels.
Materials Science
Nov 11, 2021
2
1008
Fuel is any material that is burned or altered to obtain energy and to heat or to move an object. Fuel releases its energy either through a chemical reaction means, such as combustion, or nuclear means, such as nuclear fission or nuclear fusion. An important property of a useful fuel is that its energy can be stored to be released only when needed, and that the release is controlled in such a way that the energy can be harnessed to produce work. Examples: Methane, Petrol and Oil.
All carbon-based life forms—from microorganisms to animals and humans—depend on and use fuels as their source of energy. Their cells engage in an enzyme-mediated chemical process called metabolism that converts energy from food or light into a form that can be used to sustain life. Additionally, humans employ a variety of techniques to convert one form of energy into another, producing usable energy for purposes that go far beyond the energy needs of a human body. The application of energy released from fuels ranges from heat to cooking and from powering weapons to combustion and generation of electricity.
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