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Nancy Roman and Last Week's News and Research

Plus, the latest findings from across the web

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Good morning. It's Tuesday, Aug. 25, and welcome to this week's Science & Technology newsletter. First time reading? Sign up here or forward to share with friends.

 

This Sunday, NASA is expected to launch the Nancy Grace Roman Space Telescope, a next-generation observatory for infrared astrophysics. To celebrate the event, we're taking a look at the life of Nancy Grace Roman, for whom the telescope is named.

 

We're also breaking down one of the worst oil spills in recent years, the development of living circuit boards, Earth's rarest mineral, and so much more.

 

PSReader feedback is a gift! Whether it's feedback on today's email, suggestions for what we should cover, or anything else, we're happy to hear from readers. Simply reply to this email or reach out at [email protected].

 

—Marco Daniel Machado, 1440 Science & Technology Section Editor

Space Science Architect

 

Nancy Grace Roman was NASA's first chief of astronomy and its first female executive. In setting up the agency's space science program, Roman advocated for and secured congressional funding for the Hubble Space Telescope and convened astronomers and engineers to align scientific needs with its design. For her work, she was nicknamed the "mother of Hubble."

 

> Watch Roman discuss her life and how her mother inspired her interest in astronomy.
> Roman secured the use of image sensors on Hubble that would later become the standard in digital cameras.

 

Born in Nashville, Tennessee, Roman earned a doctorate in astronomy from the University of Chicago in 1949, where she would become the first woman on its astronomy faculty. By identifying patterns in the properties of stars across the Milky Way, Roman developed a method to more quickly find metal-rich stars and contributed to future models of the galaxy's formation.

 

> Roman became well-known in the astronomical community after observing a rare and unusual cosmic event.

> The Astrophysical Journal's list of the 100 most important papers in its first century of publication included research from Roman.

 

In 1959, just months after the agency began operations, Roman joined NASA from the radio astronomy program at the US Naval Research Laboratory. She founded NASA's scientific ballooning program, led the orbiting astronomical and solar observatory programs, and established policies for future space science missions.

 

> NASA's scientific balloons use helium to carry thousands of pounds of observational equipment for weeks.

> Stargazer, the first successful space telescope, was launched as part of the Orbiting Astronomical Observatory program.

> For her civil service, Nancy Roman received the Federal Woman's Award from President John F. Kennedy.

 

Seventeen months after Roman's death, NASA renamed the Wide Field Infrared Survey Telescope as the Nancy Grace Roman Space Telescope. Launching in 2026, the telescope will investigate dark energy and dark matter, search for exoplanets, and explore additional astrophysical phenomena.

 

> The Nancy Roman Space Telescope will survey 12% of the sky in 17 months—something that would take the Hubble Space Telescope over a thousand years

> View a simulated demonstration of how the Roman Space Telescope works.

 

Discover more:

> After retiring, Nancy Roman taught in middle schools and recorded audio textbooks for students with disabilities.

> Lego's Women of NASA set honors four NASA pioneers, including Nancy Roman.

> With no living descendants, Nancy Roman donated over $8M to support women in STEM upon her death.

 

Keep learning by exploring all our findings on Nancy Roman here.

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News in Context

 

1440 brings you the knowledge and context behind the week's stories:

 

A magnitude 7.7 earthquake ​​​​​​struck off the coast of Indonesia, triggering landslides and tsunami warnings. (More)

 

> Has there been an increase in earthquake activity in recent years?

> Explore a visual guide to how the survivors of large-scale earthquakes are found.

 

Water and oxygen-rich dust were found near Sagittarius A*, the supermassive black hole at the center of the Milky Way galaxy. (More)

 

> Unable to be viewed directly, scientists determined the identity of Sagittarius A* by studying the orbits of fast-moving stars.

> Unlike household dust, grains of space dust more closely resemble sand

 

An oil spill reached Oman's coastline after a tanker ran aground while traveling from Russia to India. (More)

 

> How are oil spills cleaned up?

> As much as half the oil that reaches coastlines has naturally leaked from the bottom of the oceans.

 

Scientists created female clones of male mice using a CRISPR-based technique that may help rescue endangered species. (More)

 

> Learn what CRISPR is and how it works with this video from 1440

> Cloning alone may not sustain a species because of accumulating genetic mutations.

Research Spotlight

 

Like all great researchers, we love spending time learning about the latest breakthroughs across science and technology. Here's what we found this week.

 

Some AI agents have been shown to be better at reaching consensus than humans.

University of Konstanz | Staff. While past social experiments have shown that humans can coordinate behind a majority in groups of up to about 200 individuals, researchers have shown that up to 1,000 agents can do so when built on the highest-performing large language models. A follow-up study found that AI agents can collectively make incorrect decisions, even when in complete agreement. (More)

 

> Watch a video explanation differentiating AI chatbots from AI agents.

> ... and see what these agents do when left to manage virtual societies.

 

Scientists used Earth's magnetic field as a dark matter detector.

Kyoto University | Staff. Axions are a potential candidate for dark matter, with detection relying on a strong magnetic field to convert them into observable light. By analyzing geomagnetic data—a record of potential axion signals—and not finding signals associated with a specific range of axion-light interactions, researchers constrained the experimentally allowed properties of axions. (More)

 

> Besides axions, potential candidates for dark matter include supersymmetric particles.

> How did Earth's magnetic field form the planet's natural permanent magnets?

 

Engineers create 'living circuit boards' by wiring colonies of bacteria together.

MIT | Anne Trafton. The components act as biological transistors, in which electrical signals can be turned on or off through the movement of small molecules, enabling the design of nearly any type of circuit. Researchers hope to create circuits with the engineered bacteria that could be placed on the surfaces of plant leaves and roots to detect and communicate environmental harms, such as droughts or pests. (More)

 

> The predecessors to transistors were glass tubes resembling light bulbs.

> Visualize how electrical signals in the human body can travel as fast as a football field every second.

 

Fiber-optic cables on a glacier's surface can efficiently uncover subsurface cracks.

ETH Zürich | Peter Rüegg. Researchers on the Gorner Glacier sent light along fiber-optic cable and recorded scattered and reflected light from depths of up to 25 meters. When fractures formed, the resulting microearthquakes caused deformations that altered the reflected signals, which scientists compared with baseline measurements to identify crevasses without costly seismometers. (More)

 

> Fiber-optic cables transmit information with pulses of light guided by reflection.

> Extensive cracking and crevassing can precede rapid glacier movement.

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Etcetera

 

> An orange gemstone from Myanmar may be the rarest mineral on Earth.

 

> The moon is shrinking, but Earth's gravity creates tides on the lunar surface.


> ... while tidal forces from Jupiter power the more than 400 volcanoes on its moon.


> How do bullet trains and even faster magnetic levitation trains work?

 

> If symbiotic algae provide corals with oxygen to survive, what happens at night?

 

> Since 2001, deforestation has cut down an area of forests about the size of Costa Rica every year.

 

> Aquifer thermal energy systems cycle groundwater to provide heating and cooling.

 

> View the Crab Nebula in different wavelengths of light to identify the structures surrounding its neutron star.

 

> A turtle shell is part of the organism's skeleton and consists of fused bones.

 

> Under certain conditions, hot liquids have been observed to freeze faster than cooler ones—a phenomenon named after a high school student.

 

> See what Antarctica would look like if it had no ice.

 

> On average, a banana produces antimatter every 75 minutes.

🔭 Want more? Explore over 100 topics and thousands of resources at 1440's hub for Science & Technology.

"I am glad I ignored the many people who told me that I could not be an astronomer. I have had a wonderful career in a field that I love."

—Nancy Grace Roman

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