Read every day. It helps, every time you open your eyes you reading. That's my answer.
The first fireworks were invented in medieval china around the early 9th century
<span>“Article IV. The better to secure and
perpetuate mutual friendship and intercourse among the people of the
different States in this union, the free inhabitants of each of these States, paupers, vagabonds, and fugitives from justice excepted, shall
be entitled to all privileges and immunities of free citizens in the
several States; and the people of each State shall have free ingress and
regress to and from any other State, and shall enjoy therein all
the privileges of trade and commerce, subject to the same duties,
impositions, and restrictions as the inhabitants thereof respectively…”
— Article IV of the Articles of Confederation (1777)</span>
I believe it represents a negative acceleration
but i might be wrong as well
