Diego Santos

Satellites interfere with radio astronomy – Scientific news, October 5, 1974 In the past, satellites and probes launched by NASA and others successfully avoided conflict with the radio frequency bands reserved for radio astronomy. But now there is trouble. The […]

• Diego Santos
• Outubro 29, 2024

An asteroid heading toward Earth can be deflected without ever touching a spacecraft. The trick is to use X-rays to deflect the space rock, researchers report Sept. 23 Nature Physics. In laboratory experiments, scientists heated the surfaces of free-falling artificial […]

• Diego Santos
• Outubro 29, 2024

Above the cloud tops, storms blow with a complex and frenetic light show of high-energy radiation. A view from a refurbished spy plane flying 20 kilometers up revealed storms glowing and flickering in gamma rays, high-energy light invisible to the […]

• Diego Santos
• Outubro 29, 2024

As dust from the Sahara blows thousands of kilometers across the Atlantic Ocean, it becomes progressively more nutritious for marine microbes, a new study suggests. Chemical reactions in the atmosphere grind iron minerals into dust, making them more soluble in […]

• Diego Santos
• Outubro 29, 2024

Dozens of runaway stars were caught escaping from a dense star cluster in a satellite galaxy of the Milky Way. The cluster of fast-moving stars may mean that such runaways had a greater influence on cosmic evolution than previously thought, […]

• Diego Santos
• Outubro 29, 2024

As artificial intelligence explodes in popularity, two of its pioneers have been awarded the 2024 Nobel Prize in Physics. The award goes to John Hopfield and Geoffrey Hinton “for fundamental discoveries and inventions enabling machine learning with artificial neural networks,” […]

• Diego Santos
• Outubro 29, 2024