Machines
All machines are complex. True or false?
False. Some machines are very simple.
True.
What do AC and DC stand for?
Alternating and direct current
What are the three components of a machine?
driver element, driven element, and the converting or transmitting element
The first human organ was 3D printed in 2005. True or false?
False. The first human organ was printed in 1999.
Who invented the lightbulb?
Thomas Edison
In terms of motion/function, what type of mechanism is a lever?
linear transmission
What is another name for 3D printing?
additive manufacturing
Thomas Edison and Nikola Tesla disagreed about how we should use electricity. What did they think?
Edison thought we should use DC and Tesla thought we should use AC.
What are the types of motion that a mechanism can convert?
linear, rotary, reciprocating, and oscillating
Around how much did the first 3D printer cost?
Around 800,000€
What is the difference between transmission and conversion?
Transmission feeds energy from the driver element to the driven element. Conversion changes the energy somehow. (For example, linear to rotary)
What was the first 3D printed human organ?
bladder
What inspired Tesla to be an inventor?
His mom who used to invent homemade tools