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With new heat treatment, 3D-printed metals can withstand extreme conditions（图）
热处理 3D打印 金属微观结构 燃气轮机 喷气发动机 叶片
2023/6/6
A new MIT-developed heat treatment transforms the microscopic structure of 3D-printed metals, making the materials stronger and more resilient in extreme thermal environments. The technique could make...
Study shows how varying Arctic climate conditions impact vulnerable species（图）
varying Arctic climate conditions impact vulnerable species
2021/4/9
New findings on the diet of Arctic foxes, determined by the condition of their teeth, show how varying climate conditions in the Arctic affect the animals that live there.In a U.S. National Scien...
Research expedition faces extreme conditions in fast-changing Arctic
Research expedition extreme conditions fast-changing Arctic
2020/4/29
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ice and o...
Research expedition faces extreme conditions in fast-changing Arctic（图）
Research expedition faces extreme conditions fast-changing Arctic
2020/4/26
In October 2019, scientists froze a ship filled with equipment into Arctic sea ice with the intention of drifting across the Arctic Ocean for a full year, gathering data on polar atmosphere, ic...
Scientists observe a single quantum vibration under ordinary conditions: Studying a common material at room temperature, researchers bring quantum behavior 'closer to our daily life'
quantum vibration daily life quantum behavior common material room temperature
2019/10/10
When a guitar string is plucked, it vibrates as any vibrating object would, rising and falling like a wave, as the laws of classical physics predict. But under the laws of quantum mechanics, which des...
Record-low 2016 Antarctic sea ice due to ‘perfect storm’ of tropical,polar conditions（图）
record-low 2016 antarctic sea ice perfect storm tropical polar conditions
2017/9/19
While winter sea ice in the Arctic is declining so dramatically that ships can now navigate those waters without any icebreaker escort, the scene in the Southern Hemisphere is very different. Sea ice ...
Researchers Successfully Predict Multi-Year U.S. Drought and Fire Conditions（图）
Researchers Multi-Year U.S. Drought Fire
2017/9/1
The next mega-droughts and subsequent active wildfire seasons for the western U.S. might be predictable a full year in advance, extending well beyond the current seasonal forecast and helping segments...
‘The blob’ of abnormal conditions boosted Western U.S. ozone levels
The blob Western U.S. ozone levels
2017/3/13
An unusually warm patch of seawater off the West Coast in late 2014 and 2015, nicknamed “the blob,” was part of an offshore pattern that had cascading effects up and down the coast. Its sphere of infl...
Changing atmospheric conditions may contribute to stronger ocean wave activity on the Antarctic Peninsula（图）
Changing atmospheric conditions stronger ocean wave activity Antarctic Peninsula
2017/2/16
Over the past few years, a large fracture has grown across a large floating ice shelf on the Antarctic Peninsula. The world is watching the ice shelf, now poised to break off an iceberg the size of De...
Changing salt marsh conditions send resident microbes into dormancy
Changing salt marsh send resident microbes dormancy
2016/9/29
The following is part 22 in a series on the National Science Foundation's Long-Term Ecological Research (LTER) Network. Visit parts one, two, three, four, five, six, ...
Chemical trail on Titan may be key to prebiotic conditions
Chemical trail Titan prebiotic conditions
2016/7/15
NASA’s Cassini and Huygens missions have provided a wealth of data about chemical elements found on Saturn’s moon Titan, and Cornell scientists have uncovered a chemical trail that suggests prebiotic ...
UTA civil engineer creates phone app to gather public input on flash flooding conditions
UTA civil engineer phone app gather public input flash flooding conditions
2016/6/12
D.J. Seo wants you to be his eyes on the weather – and more specifically to be watching for flash floods.The University of Texas at Arlington associate professor of civil engineering has launched a ne...
Southwest sliding into a new normal:drier conditions
Southwest sliding new normal:drier conditions
2016/2/23
This is part 13 in a series on NSF's geosciences risk and resilience interest area. Please see parts one, two, three,four, five, six, seven, eight, nine, 10,&#...
New Theory Turns Back Clock on Conditions Behind Universe's Origin
Turns Back Clock Universe's Origin
2016/2/22
In a new study, scientists from The University of Texas at Dallas and their colleagues suggest a novel way for probing the beginning of space and time, potentially revealing secrets about the conditio...
Serotonin receptor is involved in eczema and other itch conditions
Serotonin receptor eczema other itch conditions
2015/6/18
Dermatologists have long known that available treatments for chronic itch, including eczema, are simply not up to scratch. But scientists have now discovered a new gene that promotes itch, suggesting ...