Today on Math! Science! History! I follow ten Black women inventors. Some left thick paper trails, stamped with patent numbers and filing dates.
Leonardo’s childhood in Vinci was spent in nature, which became his first classroom. By his teens, Leonardo’s artistic talent was evident enough that his father sought a proper apprenticeship for him.
The French Revolution and the Birth of a Universal Measure It’s 1789 in Paris. The French Revolution is in full swing, heads are rolling (literally), ideas of liberty and reason are electrifying the air, and nothing is off-limits for reform. Amid this upheaval, one very practical problem stood out: weights and measures. Every region and every trade in France seemed