Lots More InformationRelated HowStuffWorks Articles
- How Helium Balloons Work
- How Hot Air Balloons Work
- How Blimps Work
- How is helium made?
- What causes helium balloons to lose their lift after a day or two?
Have you ever had a dream that came true? Or called a friend at the exact moment he was calling you? Most of us have had some sort of paranormal experience. Is this evidence of the existence of ESP?
The best photograph can't touch one. A death mask, in all its 3-D glory, is the last likeness of a loved one that a family can own. After all, it vividly preserves what some consider to be the very essence of a person -- the face.