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On 17 February 1869, Russian chemist Dmitri Mendeleev jotted down the symbols for the chemical elements, putting them in order according to their atomic weights and inventing the periodic table. He ...

Given a square piece of material and some letters to be laser-cut: We want to pack all the letters into the square, using as little material as possible. If a single square is not enough, we also want ...

Abstract: Being able to build a map of the environment and to simultaneously localize within this map is an essential skill for mobile robots navigating in unknown environments in absence of external ...

You can give birds a safe place to rest and raise a family by building them a cosy nestbox. This Helping Nature activity can be completed as part of Schools or Families Wild Challenge (it counts as ...