Scientists study the world as it is. Engineers modify the world to adapt to our needs. Artifact – an object…
Rove, rove, rove the moon
The moon rover, that dune-buggy, electric car that astronauts used on the moon, provides great motivation for exploring transportation on…
rotational motion
Rotational motion transfer rotational motion from one place to another – pulley(animation) – pulleys are the same size. By crossing…
Rosetta Mission
Rosetta Mission European Space Agency (ERA) – From low Earth orbit to deep space: sharing the excitement of human spaceflight…
Roman road
Roman roads – the construction of an extensive system of aqueducts and roads, as well as large monuments, palaces, and…
rocket
Rocketry, 1926 – “Our only way off the planet—so far.” — George Dyson A rocket in its simplest form is…
That’s Engineering
K-8 Engineering MOOC Explore . Create . Improve – Boston Museum EiE Engineering4Kids wiki information, short description, links What’s the…
roller coaster
Roller Coaster – an amusement ride developed for amusement parks. A specialized railroad system, a roller coaster consists of a…
retracting cat’s claw
structure and function of cat claw There are many examples of engineering in nature. A cat’s retractable claws make use…
robotic staff
Henn-na Hotel in Japan – you’ll be greeted by a robotic staff that’s said to run 90% of the hotel’s…
redesign Santa’s sleigh
Santa Claus arrives, accompanied by his elves, on his sleigh pulled by reindeer Traditionally, Santa’s Sleigh has been depicted as…
reflection
Reflection – the return of light, heat or sound. Our focus here is on the reflection of light and the…
refrigeration
Refrigeration, 1850s “Discovering how to make cold would change the way we eat—and live—almost as profoundly as discovering how to…
refraction and lenses
Refraction – When light moves from one substance to another it changes speed and direction. That change in direction is…
relative humidity
Relative humidity – The amount of water vapor in the air at any given time is usually less than that…
