Q. Who Invented the 3-D printer?
A) Elias Howe
B) Nick Holonyak
C) Christiaan Huygens
D) Chuck Hull
✔ Correct Answer: Chuck Hull
Exam Insight
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A) Elias Howe
B) Nick Holonyak
C) Christiaan Huygens
D) Chuck Hull
✔ Correct Answer: Chuck Hull
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