1. Chemist116

    Physics Software Recommendation on computer assisted software for drawing motion and vectors

    Hello. I'm new to this forum. I'm looking for a recommendation on a software that is preferably free or open source that can be used to replicate a diagram similar to the picture from below. I know that there are some applications web based on different sites like geogebra but for my...
  2. V

    Recommendation for strongest magnet?

    I'm looking to buy a a magnet which can detect drywall screws in the wall studs and ceilings joists. The screws will be covered over by drywall joint compound and drywall tape. Could someone suggest a very strong magnet which could easily pickup the screws which are covered over by tape and...