(PhysOrg.com) -- The idea of generating hydrogen from salt water has often been claimed to work effectively. However, the systems proposed so far generally require a much greater energy input than the energy they produce, ...
Inspired by the way plants absorb and distribute water and nutrients, Lawrence Livermore National Laboratory (LLNL) researchers have developed a groundbreaking method for transporting liquids and gases using 3D-printed lattice ...
General Physics
Jul 1, 2021
0
14
(Phys.org)—Engineering faculty and students at the University of Colorado Boulder have produced the first experimental results showing that atomically thin graphene membranes with tiny pores can effectively and efficiently ...
Nanomaterials
Oct 9, 2012
3
0
(PhysOrg.com) -- This flow chart of the estimated US energy use in 2009, assembled by the Lawrence Livermore National Laboratory (LLNL), paints a pretty sobering picture of our energy situation. To begin with, it shows that ...
(PhysOrg.com) -- Scientists have made many discoveries about the origins of our 13 billion-year-old universe. But many scientific mysteries remain. What exactly happened during the Big Bang, when rapidly evolving physical ...
General Physics
Jan 5, 2010
8
0
Waste is a natural by-product of life on Earth and of productive human economies. Living systems have evolved to reconstitute waste—creatures like dung beetles fill an ecological niche of breaking down other organisms' ...
Environment
Jan 18, 2024
1
13
How do you make transport in the world's big cities more climate-friendly without putting too much pressure on people? A model-based study of 120 major cities around the globe now shows how these two major goals can be reconciled. ...
Environment
May 29, 2023
1
170
If you cool down low-density atomic gas to ultralow temperatures (−273°C), you get a new state of matter called the Bose-Einstein Condensate (BEC). A BEC has strongly coupled two-atom molecules behaving like a collective ...
Quantum Physics
Mar 7, 2023
0
249
Over 90% of vehicle-owning US households could slash their greenhouse gas emissions as well as their transport costs by switching to electric vehicles. A study published today in the journal Environmental Research Letters ...
Environment
Jan 11, 2023
2
67
The Environmental Protection Agency estimates that the transportation sector accounts for approximately 27% of all greenhouse gas emissions annually in the United States, and emissions from road transportation—driven by ...
Environment
Nov 10, 2022
0
72
