Autocorrelation for spontaneous radiation Prior to the spontaneous radiation from the tandem undulator, we first consider the spontaneous radiation from a single undulator. Figure 1a shows the inter… [+13766 chars]
A comet exploded in 2007 in space, causing the biggest detonation in astronomical history. The remains of this comet called 17P/Holmes have been floating through space. This year, Earthlings will be … [+2738 chars]
Astronomers know very well that our Milky Way galaxy is teeming with stars, planets, black holes, and other cosmic objects. But still, they sometimes remain speechless by new mysterious structures th… [+1634 chars]
Roscosmos, Russias space agency, is trying to keep operations running after the country invaded Ukraine, effectively isolating itself from the rest of the international space community. In a brave m… [+2084 chars]
Photo credit: Pogrebnoj-Alexandroff, CC BY-SA 3.0 , via Wikimedia Commons. Have you ever heard of the lateral line? No, its not a football play. Its a sense organ shared by most fish, from sharks to… [+7478 chars]
Asteroid dust collected by a Japanese space probe contains organic material that shows some of the building blocks of life on Earth may have been formed in space, scientists. Pristine material from … [+2266 chars]
Imagine an asteroid is heading toward the Earth not long after life arose some four billion years ago. The asteroid strikes in a region near some water ponds that contain some microorganisms. The for… [+5089 chars]
Dinosaur remains found off the south coast of England could be the largest land predator that ever roamed Europe, scientists say. Paleontologists from the University of Southampton identified the pr… [+2545 chars]
James Webb Space Telescope mission observing universe. This image elements furnished by NASA ... [+] https://www.nasa.gov/johnson/HWHAP/the-james-webb-space-telescope getty On Tuesday, July 12, 202… [+5641 chars]
<li>Jahani, S. & Jacob, Z. All-dielectric metamaterials. Nat. Nanotechnol.11, 2336 (2016). ADS CAS Article Google Scholar </li><li>Kamali, S. M., Arbabi, E., Arbabi, A. & Faraon, A… [+5931 chars]
NASA's Europa Clipper mission is one step closer to starting its journey to Jupiter's icy moon. The main body of Europa Clipper is an aluminum cylinder that clocks in at 10 feet (3 meters) tall an… [+1642 chars]
Antarctica is dominated by ice, mainly two massive glacial ice sheets called the East and West Antarctic Ice Sheets. Unsurprisingly, these ice sheets have been losing mass in recent years. Two glacie… [+2401 chars]