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Category: space – Page 281

How Mira Murati steered OpenAI’s evolution into a global AI leader

Mira Murati is to temporarily take up the reins at OpenAI following Sam Altman’s surprising departure.

After Sam Altman’s surprise sacking from OpenAI on Friday, the AI company has announced that Mira Murati will fill the gap as interim Chief Executive Officer (CEO) until a replacement is found. A relative unknown outside of Silicon Valley, many interested in the artificial intelligence (AI) space are rightfully wondering who she is. Let’s find out what we know so far.

Who are you?

Mira Murati was born in Albania but moved to Vancouver, Canada when she was 16 years old under a scholarship at an international school. After graduating, she studied at Dartmouth College and completed a mechanical engineering degree. After completing her studies, Murati worked as an intern at Goldman Sachs and then at the French aerospace group Zodiac Aerospace.

One-Year Anniversary of Artemis I Launch

One year ago today, NASA’s Artemis I mission with its Orion spacecraft lifted off into the heavens and towards the Moon on its maiden flight aboard the mighty Space Launch System (SLS) at 1:47 am EST from historic Launch Complex 39B at NASA’s Kennedy Space Center in Florida. The goal of the uncrewed mission was to conduct a shakedown of all systems and subsystems prior to crewed missions to the Moon and kicked off a new era in human spaceflight as no humans have ventured beyond low-Earth orbit since Apollo 17 in 1972.

Image of NASA’s Artemis I aboard the Space Launch System lifting off from historic Launch Complex 39B at NASA’s Kennedy Space Center on November 16, 2023 at 1:47 a.m. EST. (Credit: NASA/Joel Kowsky)

Traveling a total of 1.3 million miles (2.1 million kilometers) during its achieved mission time of 25 days, 10 hours, and 53 minutes, Orion conducted two flybys of our nearest celestial neighbor, with its closest approach to the lunar surface occurring on December 5 at 79.5 miles (128 kilometers). Additionally, Orion broke the record for the farthest distance from Earth by an Earth-returning human-rated spacecraft by traveling almost 270,000 miles (435,000 kilometers), which surpassed the previous record of 248,655 miles (400,171 kilometers) conducted by Apollo 13 in 1970.

Core-powered mass loss possibly caused exoplanet shrinkage

While more than 5k exoplanets were identified, the count of planets within the diameter varies between 1.5 to two times the size of Earth, which is lower than anticipated.

Scientists have noticed a ‘size gap’ among exoplanets, specifically between 1.5 to two times the size of Earth. Fascinated, scientists are striving to learn the cause of this phenomenon.

Physicists Uncover a New State of Matter Hidden in The Quantum World

You’re familiar with the states of matter we encounter daily – such as solid, liquid, and gas – but in more exotic and extreme conditions, new states can appear, and scientists from the US and China found one earlier this year.

They’re calling it the chiral bose-liquid state, and as with every new arrangement of particles we discover, it can tell us more about the fabric and the mechanisms of the Universe around us – and in particular, at the super-small quantum scale.

States of matter describe how particles can interact with one another, giving rise to structures and various ways of behaving. Lock atoms in place, and you have a solid. Allow them to flow, you have a liquid or gas. Force charged partnerships apart, you have a plasma.

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