Nanoscale solutions with small size differences can be separated by membranes with identical pores—if they have enough opportunity to try. Credit: Argonne National Laboratory. Imagine a close basketball game that comes down to the last shot. The probability of the ball going through the ring may be quite low, but it would increase dramatically if … Read more
Image of the test setup for the heat shield. Credit: (2023). DOI: 10.2172/1960159 NASA is very interested in developing a propulsion method to allow spacecraft to go faster. We’ve reported several times on various ideas to support this goal, and most of the most successful ones have made good use of the sun’s gravity, usually … Read more
Features of the IS1111 and IS110 family. Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-49474-9 Scientists at the University of Sydney have developed a gene-editing tool with greater precision and flexibility than the industry standard, CRISPR, which has revolutionized genetic engineering in medicine, agriculture and biotechnology. SeekRNA uses a programmable ribonucleic acid (RNA) array that can directly … Read more
Artist’s impression of the bright core region of a quasar, an active galaxy. The supermassive black hole at the center is surrounded by a bright disk of gas and dust. The dust component can further obscure the view of the interior and shines primarily in the mid-infrared, light that can be analyzed by the James … Read more
Nvidia CEO Jensen Huang delivers a speech at an event at the COMPUTEX forum in Taipei, Taiwan, June 4, 2024. Ann Wang | Reuters Apple, Microsoft, Amazon AND Google were the top four global brands at the end of 2023, according to consulting firm Interbrand. They are also four of the five most valuable companies … Read more
Reconstruction of Lokiceratops in the 78-million-year-old swamps of northern Montana, while two Probrachylophosaurus pass in the background. Credit: Fabrizio Lavezzi What did scientists do this week? Exactly four things, all of which are summarized below. “This Sweet Baby Can Hold 4.3 Million Suns” Supermassive black holes: How do they get so big? This simple question … Read more