10 links have been added on 3 ideas about #particle.
  1. Same. interchangeable means the same in a way.

  2. Hard to find a definitive answer according to this https://www.askamathematician.com/2010/01/q-is-it-true-that-all-matter-is-simply-condensed-energy/

  3. Matter isn’t stored energy but t does have energy, called “rest energy.” What distinguishes matter-energy from other forms of energy is that all matter has inertia and is subject to the force of gravity when at rest as well as when in motion.

  4. How come there are articles and videos online that claim that electrons are subatomic particles – the web was invented decades after we realized they weren’t. Anyways, they are still our best little friends. Arvin does a good job of explaining them here.

  5. Not sure about “bold” but electrons are still a long way from being understood, despite us using them all the time.