How did advances in technology open the way for world exploration?

Solve for r in the formula v = ir, when i = 5 and v = 15.

Hurry on the map above, arrow 1 points to a region where most people are

In this day and age where "fake news "seems to be everywhere, how would you keep preserve accurate information regarding the topic of abnormal psychology that the next generation would utilize appropriate resources to make an informed decision about the of individuals?