Liquid-fueled Rocket
Who invented the Liquid-fueled Rocket?
Robert Goddard
Who invented the Electric Chainsaw?
Andreas Seihl
Who invented the E.a.t.s. (Electric Automatic Traffic Signal)
Garret Morgan
Who invented the Band-aid?
Earle Dickson
Who invented the Water Skis?
Ralph Samuelson
How did the Rocket start?
Tanks external to the Combustion Chamber
How long does the battery last?
About an hour
What was Morgan's design?
A T-shaped pole that had three positions
Why was the Band-aid created?
His wife kept hurting herself
What did Ralph use as Skis first?
Wood planks
What do the pumps do?
They change the pressure
The gas chainsaw was less efficient, the Electric Chainsaw made working a lot more what, and what?
Easier and faster
Who was the design sold to and for how much?
General Electric for $40,000
How does the Band-aid work?
It pulls the skin together until the cut heals
Ralph also used something to pull him, what was it?
Clothesline
The change of pressure does what?
They make the propellants inject into the engine.
How many main types of Chainsaws are there?
2 main types
How many traffic signals were in the USA?
300,000 lights
How many different types of Band-aids are there?
Dozens of types
He used a boat that could go how fast?
20 MPH
What do rockets use now?
Propellants composed of a fuel and an oxidizer
I messed up on some wording, what do you think it is?
Throughout the world you see almost every person using a gas chainsaw
When were traffic signals first used?
1868
Why is it called a Band-aid
It is a mix of BANDage and first-AID
Did Water Skis become popular?
Yes