06 October 2021

Twists in a string

 Looking at how twisting a string increases its strength #ALevel #Physics Compared straight and twisted fibres. Amazing difference. #iteachphysics #STEM #Science



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“Why the Rate-Determining Step Is Not Always Obvious” A-Level Chemistry

  “Why the Rate-Determining Step Is Not Always Obvious” A student sees a three-step mechanism and immediately chooses the slowest-looking s...