Science Experiments for Kids

(Ron) #1

Any of a variety of weapons systems that deliver explosive warheads to their targets by
means of rocket propulsion.
Rocket (Space Travel)
Robert Goddard invented liquid-fueled rockets and a control mechanism for rocket
apparatus. See Also - Timeline, Rockets: Timeline II, Rockets: How They Work
Rodeo Related
Earl Bascom invented and manufactured the rodeo's first one-hand bareback rigging.
Rollerblades
Scott and Brennan Olsen invented rollerblades.
Rollercoasters
John Miller was the 'Thomas Edison" of rollercoasters.
Roller Skates
The history of roller skates began as a way to ice skate on land.
Rolodex
Alfred Neustadter invented the Rolodex.
Root Beer
Hires first sold commercial root beer to the public in 1876 at the Philadelphia Centennial
Exhibition.
Rubber
The strange story of rubber - also the history of rubber stamps, rubber erasers, rubber
balloons and more.
Rubik's Cube
There is only one correct answer and 43 quintillion wrong ones to the most populaRr
puzzle in history.
Ruby Laser System
Theodore Harold Maiman received a patent for the Ruby Laser System.
Rumford Fireplace
Count Rumford (aka Benjamin Thompson) invented the Rumford fireplace in 1796.
Safety Pin
The safety pin was invented by Walter Hunt in 1849.
Sailboards
The very first sailboards (windsurfing) date back to the late 1950s.
Samhain Related
Objects invented for use on Samhain or Halloween.
Sandwich
The origins of the sandwich.
Saran Wrap
The origins of Saran Wrap film and the history of the Dow Chemical Company.
Satellites
History changed on October 4, 1957, when the former Soviet Union successfully launched
Sputnik I. The world's first artificial satellite was about the size of a basketball, weighed

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