Episode: 1469 The hourglass: the poor man’s clock, the poor man’s metaphor. Today, let’s look at the hourglass.
Episode: 1469 The hourglass: the poor man’s clock, the poor man’s metaphor. Today, let’s look at the hourglass.
Episode: 1469 The hourglass: the poor man’s clock, the poor man’s metaphor. Today, let’s look at the hourglass.