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| Ultrafast magnetism: heating magnets, freezing time Posted: 15 Oct 2021 03:42 PM PDT Magnetic solids can be demagnetized quickly with a short laser pulse, and there are already so-called HAMR (Heat Assisted Magnetic Recording) memories on the market that function according to this principle. However, the microscopic mechanisms of ultrafast demagnetization remain unclear. Now, a team has developed a new method at BESSY II to quantify one of these mechanisms and applied it to the rare-earth element Gadolinium, whose magnetic properties are caused by electrons on both the 4f and the 5d shells. |
| Plant-based jet fuel could reduce emissions by 68% Posted: 14 Oct 2021 02:27 PM PDT Replacing petroleum-based aviation fuel with sustainable aviation fuel derived from a type of mustard plant can reduce carbon emissions by up to 68%, according to new research. |
| Expansion of wind and solar power too slow to stop climate change Posted: 14 Oct 2021 11:19 AM PDT The production of renewable energy is increasing every year. But after analyzing the growth rates of wind and solar power in 60 countries, researchers conclude that virtually no country is moving sufficiently fast to avoid global warming of 1.5°C or even 2°C. The article "National growth dynamics of wind and solar power compared to the growth required for global climate targets" was published in the journal Nature Energy, written by Aleh Cherp, Vadim Vinichenko, Jale Tosun, Joel A.Gordon and Jessica Jewell. |
| Scientists develop fully solar-driven autonomous chemical mini-plant Posted: 14 Oct 2021 11:19 AM PDT Scientists have developed a fully operational standalone solar-powered mini-reactor which offers the potential for the production of fine chemicals in remote locations on Earth, and possibly even on Mars. |
| Climate change threatens hydropower energy security in the Amazon basin Posted: 14 Oct 2021 10:11 AM PDT Hydropower is the dominant source of energy in the Amazon region, the world's largest river basin and a hotspot for future hydropower development. However, a new study warns that in the coming decades, climate change-driven reductions in precipitation and river discharge will diminish the Amazon's hydropower capacity. |
| It’s all in the delivery – Antibodies improve nanoparticle delivery of therapeutic nucleic acids Posted: 13 Oct 2021 09:27 AM PDT This improved technological platform can be used to develop new treatments, molecular diagnosis strategies or vaccines for various diseases. |
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