Just sit a moment with that thought; nothing is solid. Everything vibrates at a certain frequency to match your vibration and appear solid, the moment you begin to raise your own vibration with an open mind you'll sometimes see only swirling particles instead of objects. It also allows for the unseen to become visible, as if you're opening up a new world -which actually exist all around us now but we just can't see it.
Black Tourmaline is a highly protective stone against negative energy, I wouldn't use anything else. Also provides spiritual grounding essential for spiritual workers and beginners alike, don't be without one. Assists the 1st (Base/Root) Chakra.
Potential and Kinetic Energy Hands-on Science lesson plan. Includes teacher directions, student directions and follow up questions. This is a memorable activity that students love. Uses basic household supplies to create a pop can 'car', clearly demonstrating potential and kinetic energy and allowing students to experiment with energy form and energy transfer.