Âé¶¹ÒùÔº

Search results for 4-D printing

Astronomy Jan 9, 2023

NSVS 2983201 is a contact binary system, observations find

Polish astronomers have performed photometric observations of a short-period variable star known as NSVS 2983201. They have found that the object is a contact binary system with a mass ratio of about 0.36. The finding was ...

Astronomy Nov 23, 2022

Astronomers detect new Jupiter-like exoplanet

Using radial velocity measurements, astronomers from Japan and China have detected a new exoplanet orbiting a G-type giant star. The newfound alien world is similar in mass to Jupiter but much hotter than the solar system's ...

Polymers Oct 4, 2022

Manufacturing microscopic octopuses with a 3D printer

Although just cute little creatures at first glance, the microscopic geckos and octopuses fabricated by 3D laser printing in the molecular engineering labs at Heidelberg University could open up new opportunities in fields ...

Nanomaterials Oct 3, 2022

World's whitest paint now thinner than ever, ideal for vehicles

The world's whitest paint—seen in this year's edition of Guinness World Records and "The Late Show With Stephen Colbert"—keeps surfaces so cool that it could reduce the need for air conditioning. Now the Purdue University ...

Earth Sciences Jul 22, 2022

Balancing act: Can precariously perched boulders signal long-term earthquake risk?

The trouble with big earthquakes is that their subterranean root systems can lurk for centuries or millennia before building enough energy to explode. Among many places, this is true of the New York City area, where scientists ...

Space Exploration Jun 29, 2022

Swarm of tiny swimming robots could look for life on distant worlds

Someday, a swarm of cellphone-size robots could whisk through the water beneath the miles-thick icy shell of Jupiter's moon Europa or Saturn's moon Enceladus, looking for signs of alien life. Packed inside a narrow ice-melting ...

Astronomy Jun 16, 2022

There could be four hostile civilizations in the Milky Way, researcher speculates

In 1977, the Big Ear Radio Telescope at Ohio State University picked up a strong narrowband signal from space. The signal was a continuous radio wave that was strong in intensity and frequency and had many expected characteristics ...

Biotechnology Jun 6, 2022

New technology protects authenticity of engineered cell lines

Advances in synthetic biology and genome editing have led to a growing industry to develop customized cell lines for medical research. These engineered cell lines, however, can be vulnerable to misidentification, cross-contamination ...

Astronomy May 26, 2022

New ultra-faint dwarf galaxy discovered

Astronomers from the University of Arizona (UA) and elsewhere report the discovery of a new ultra-faint dwarf galaxy. The newfound galaxy, designated Tucana B, is the first quenched and isolated object of this type identified ...

Plants & Animals Apr 29, 2022

Honeybees join humans as the only known animals that can tell the difference between odd and even numbers

"Two, four, six, eight; bog in, don't wait."

page 5 from 40