Search results for solar cycle 25

Energy & Green Tech May 4, 2013

Solar plane lands in Arizona, first leg of US trip (Update)

Alone in the single-seat cockpit and high above the American Southwest, pilot Bertrand Piccard could hear only his plane's gear box and the quiet whine of four electric motors. No noisy jet engines.

Energy & Green Tech Apr 26, 2013

Wind power—even without the wind

Offshore wind could provide abundant electricity—but as with solar energy, this power supply can be intermittent and unpredictable. But a new approach from researchers at MIT could mitigate that problem, allowing the electricity ...

Space Exploration Apr 25, 2013

Space debris problem now urgent, scientists say

Governments must start working urgently to remove orbital debris, which could become a catastrophic problem for satellites a few decades from now, a space science conference heard on Thursday.

Space Exploration Apr 23, 2013

Three years of the Sun in three minutes

Since the Solar Dynamics Observatory opened its multi-spectral eyes in space about three years ago, we've posted numerous videos and images from the mission, showing incredible views of our dynamic Sun. Scott Wiessinger from ...

Energy & Green Tech Apr 22, 2013

Collaboration aims to harness the energy of 2,000 suns

Today on Earth Day, scientists have announced a collaboration to develop an affordable photovoltaic system capable of concentrating, on average, the power of 2,000 suns, with an efficiency that can collect 80 percent of the ...

Energy & Green Tech Apr 18, 2013

Explainer: What is hydroelectricity?

Hydroelectricity is an established power-generation technology with over 100 years of commercial operation. Hydroelectricity is produced when moving water rotates a turbine shaft; this movement is converted to electricity ...

Energy & Green Tech Apr 2, 2013

Desert nomads marvel at water purifying device

Omar Razzouki gazes intently at the wooden box, marvelling at what might be the solution to the perennial water woes that he and other nomads like him across the Sahara desert face daily.

Space Exploration Apr 1, 2013

SORCE satellite: A Decade in the Sun

NASA's Solar Radiation and Climate Experiment (SORCE) satellite has been providing data on the sun's irradiance for 10 years. SORCE measures electromagnetic radiation produced by the sun and the power per unit area of that ...

Space Exploration Mar 22, 2013

Removing orbital debris with less risk

Global Aerospace Corporation (GAC) announced today that the American Institute of Aeronautics and Astronautics (AIAA) is publishing an article entitled "Removing Orbital Debris With Less Risk" in the March/April edition of ...

Space Exploration Mar 7, 2013

ISU engineers developing ideas, technologies to save the Earth from asteroids

Bong Wie has heard the snickers. You want to protect the Earth from asteroids? Where were you when the dinosaurs needed you? You want to be like Bruce Willis in that asteroid movie?

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