There's a Scientific Use For Those Neat Precarious Rocks, And It Could Be Life-Saving
Science Alert,
Thank you, nature.
Thank you, nature.
и сделали это точнее, чем существующие методы
Precariously balanced rocks, or PBRs as they’re known in geological circles, are ancient and delicately poised natural…
Subtly balanced boulders have been used to create a “rock clock” that can improve the accuracy of earthquake severity…