Answer:
Journaling your emotions each day can help you sort through positive and negative reactions. Relaxation and breathing techniques are a common management technique that can help with all emotions. Living a healthy lifestyle can also contribute to the ability to control emotions.
Science must be used to figure out the correct weight, length, and what material it is made out of to be the most successful at its job. Technology must be used to make sure that the calculations are correct and to use a 3d printer or something like that to make it, that or robots/tools.
