Final answer:
Gunpowder was the major scientific invention that originated during the Tang dynasty.
Step-by-step explanation:
The major scientific invention that originated during the Tang dynasty was gunpowder. Gunpowder was invented by Chinese alchemists during the Tang dynasty and it had a significant impact on warfare and technological advancements. It was used in weapons such as rockets, cannons, and firearms, and its discovery revolutionized military strategies.
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