(PhysOrg.com) -- Concerns over petroleum gas prices and long-term effects of greenhouse gas emissions on the environment have prompted scientists to look for alternative renewable energy sources for transportation use. One ...
Energy & Green Tech
May 7, 2009
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A pair of spacewalking astronauts completed a four-year effort to modernize the International Space Station's power grid on Monday, installing one last battery.
Space Exploration
Feb 1, 2021
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A spacewalking astronaut added to the millions of pieces of junk orbiting the Earth on Friday, losing a small mirror on his sleeve as soon as he emerged from the International Space Station for battery work.
Space Exploration
Jun 26, 2020
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Spacewalking astronauts had to make do with fewer lights and camera views from one helmet Wednesday while performing critical battery work outside the International Space Station.
Space Exploration
Jan 15, 2020
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Astronauts hustled through the first of five spacewalks to replace old batteries at the International Space Station on Sunday.
Space Exploration
Oct 6, 2019
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Spacewalking astronauts hustled through battery hookups outside the International Space Station on Friday in a major upgrade of the solar power grid.
Space Exploration
Mar 29, 2019
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Changing batteries in orbit took some huffing and puffing and some intricate maneuvering by two spacewalkers Friday. But in the end, it went almost as smoothly as doing the chore back on Earth.
Space Exploration
Mar 22, 2019
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115
Conventional lithium ion batteries, such as those widely used in smartphones and notebooks, have reached performance limits. Materials chemist Freddy Kleitz from the Faculty of Chemistry of the University of Vienna and international ...
Engineering
Dec 13, 2018
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A pair of American astronauts completed a successful spacewalk outside the International Space Station Wednesday to swap and check on two external cooling boxes, nicknamed "Leaky" and "Frosty," NASA said.
Space Exploration
May 16, 2018
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Two US astronauts installed a high-definition video camera at the International Space Station Tuesday and made more progress on repairs to the lab's robotic arm, NASA said.
Space Exploration
Oct 10, 2017
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