Search results for solar cycle 25

Environment Dec 11, 2017

Can cranberries conquer the world? A US industry depends on it

Name all the billion-dollar crops grown in the U.S. Midwest. The answer: Corn, soybeans and cranberries. Wait, what?

Materials Science Dec 8, 2017

Guanidinium stabilizes perovskite solar cells at 19 percent efficiency

With the power-conversion efficiency of silicon solar cells plateauing around 25%, perovskites are now ideally placed to become the market's next generation of photovoltaics. In particular, organic-inorganic lead halide perovskites ...

Energy & Green Tech Nov 16, 2017

Technique uses solar thermal energy to split H2O and CO2 for jet fuel

Scientists with the SOLAR-JET Project have demonstrated a novel process to make kerosene, the jet fuel used by commercial airlines. The technique uses a high-temperature thermal solar reactor to create syngas. Shell Global ...

Space Exploration Oct 27, 2017

September 2017's intense solar activity viewed from space

September 2017 saw a spate of solar activity, with the Sun emitting 27 M-class and four X-class flares and releasing several powerful coronal mass ejections, or CMEs, between Sept. 6-10. Solar flares are powerful bursts of ...

Space Exploration Sep 30, 2017

Large solar storm sparks global aurora and doubles radiation levels on the martian surface

An unexpectedly strong blast from the Sun hit Mars this month, observed by NASA missions in orbit and on the surface.

Environment Aug 18, 2017

Curbing climate change—why it's so hard to act in time

This summer I worked on the Greenland ice sheet, part of a scientific experiment to study surface melting and its contribution to Greenland's accelerating ice losses. By virtue of its size, elevation and currently frozen ...

Energy & Green Tech Aug 11, 2017

Why the withering nuclear power industry threatens US national security

These are tough times for nuclear power in the U.S. Power plants under construction are facing serious delays, halts and cost overruns. Utilities in South Carolina abandoned a project to complete construction of two power ...

Other Aug 2, 2017

Defying predictions, wind tunnels find new customers in autos, athletics—even fast food

Wind tunnels were supposed to be put out of work by now.

Environment Jul 17, 2017

Climate impacts of super-giant oilfields go up with age, scientists say

Even oilfields aren't immune to the ravages of time: A new study finds that as some of the world's largest oilfields age, the energy required to keep them operating can rise dramatically even as the amount of petroleum they ...

Space Exploration Jun 22, 2017

Is human hibernation possible? Going to sleep for long duration spaceflight

We've spent a few articles on Universe Today talking about just how difficult it's going to be to travel to other stars. Sending tiny unmanned probes across the vast gulfs between stars is still mostly science fiction. But ...

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