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16 Oct 2021: q. of the test particle. The equality (1.24) is sometimes called the weak equivalence principle. ... principle (1.24) is that it’s not possible to tell the difference between constant acceleration and a constant gravitational field.

21 Oct 2021: Anna Barford. Experts argue that many countries simply “repackaged” existing – and often already failing – policies without the necessary funding or retooling to benefit under 24-year-olds: the global demographic hit

28 Oct 2021: According to the latest report from the team, in the week 18-24 October 2021, around 5,200 students contributed swabs to pooled sample collection and registered their tests.

2 Nov 2021: to an urgent request for medical advice within 24-48 hours from their GP or hospital team.

16 Oct 2021: 3 Introducing Riemannian Geometry. 3 Introducing Riemannian Geometry. We have yet to meet the star of the show. There is one object that we can place on a manifold whose importance dwarfs all others, at least when it comes to understanding gravity.

6 Oct 2021: Wednesday 24 to Monday 29 November 2021.

26 Oct 2021: But our mushroom harvesting robot can pick whole crops without bruising the mushrooms and will lead to 20-30% yield increases from optimised 24/7 harvesting 365 days a year.”.

16 Oct 2021: 1.24). Here, the notation. {. s. i. }. |. m. (. 𝐱. ). means that we sum over all configurations of spins such that the coarse graining yields. ... We will invoke one last notational flourish. We’re left in (1.24) with a sum over all possible

18 Oct 2021: and. -. 𝑑. x. x. e. -. a. x. 2. =. 0. (2.24). where the second equality follows because the integrand is odd (and suitably well behaved at infinity). ... σ. ). exp. (. -. x. 2. σ. |. α. |. 2. ). =. k. 0. where, to get the final equality, we did the

24 Nov 2021: Share. Published. 24 Nov 2021. Image. Tennis match. Credit: Chino Rocha via Unsplash.