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  2. Instituto de Plasmas e Fusão Nuclear - Wikipedia

    en.wikipedia.org/wiki/Instituto_de_Plasmas_e...

    Instituto de Plasmas e Fusão Nuclear (IPFN) (Institute for Plasmas and Nuclear Fusion) is a research unit of Instituto Superior Técnico (IST), Lisbon, and a leading Portuguese institution in physics research.

  3. Zero-point energy - Wikipedia

    en.wikipedia.org/wiki/Zero-point_energy

    E 0 (t) is the free or zero-point field acting on the dipole. It is the homogeneous solution of the Maxwell equation for the field acting on the dipole, i.e., the solution, at the position of the dipole, of the wave equation [ ∇ 2 − 1 c 2 ∂ 2 ∂ t 2 ] E = 0 {\displaystyle \left[\nabla ^{2}-{\frac {1}{c^{2}}}{\frac {\partial ^{2 ...

  4. Brazil - Wikipedia

    en.wikipedia.org/wiki/Brazil

    The word Brazil probably comes from the Portuguese word for brazilwood, a tree that once grew plentifully along the Brazilian coast. [31] In Portuguese, brazilwood is called pau-brasil, with the word brasil commonly given the etymology "red like an ember", formed from brasa ('ember') and the suffix -il (from -iculum or -ilium). [32]