In the sparse collection of atoms that fills interstellar space, Voyager 1 has measured a long-lasting series of waves where it previously only detected sporadic bursts. Until recently, every spacecraft in history had made all of its measurements inside our heliosphere, the magnetic bubble inflated by our Sun. But on Aug. 25, 2012, NASA’s Voyager…

Read more As NASA’s Voyager 1 Surveys Interstellar Space, Its Density Measurements Are Making Waves

Locomotor energetics are an important determinant of an animal’s ecological niche. It is commonly assumed that animals minimize locomotor energy expenditure by selecting gait kinematics tuned to the natural frequencies of relevant body parts. We demonstrate that this allows estimation of the preferred step frequency and walking speed of Tyrannosaurus rex, using an approach we…

Read more Natural Frequency Method: estimating the preferred walking speed of Tyrannosaurus rex based on tail natural frequency

The Event Horizon Telescope (EHT) collaboration, who produced the first ever image of a black hole, has today revealed a new view of the massive object at the centre of the Messier 87 (M87) galaxy: how it looks in polarised light. This is the first time astronomers have been able to measure polarisation, a signature…

Read more Astronomers image magnetic fields at the edge of M87’s black hole


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