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…
regenerative braking
Regenerative brake – an energy recovery mechanism which slows a vehicle or object down by converting its kinetic energy into…
request feedback
Review an Engineering 4 Kids story page. Click here for review questionnaire Help! Look through this website. If you have…
research
Engineering research seeks improvements in theory and practice in fields such as (for example) high-speed computation, bioengineering, earthquake prediction, power…
radioactivity
Radioactivity – unstable atomic nuclei release subatomic particles. The phenomenon of radioactivity is observed in heavy elements such as uranium.…
Raspberry Pi
Raspberry Pi – a credit-card-sized single-board computer developed in the UK by the Raspberry Pi Foundation with the intention of…
re-engineering mosquitos
In a single year, there are 200-300 million cases of malaria and 50-100 million cases of dengue fever worldwide. So:…
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