Why Lightsabers can not be true?
• We can not stop the beam of light
• Even if it has a light concentrations, it would not be able
to cut through materials.
• It also would not be able to resist against other
lightsabers.
• The high intense heat would likely melt the handle.
• It needs a power source that is powerful to a certain
degree and it is not available yet.
Meanwhile, we could construct
A fake one which you could see
In this video.