Science is seldom what it seems at first glance.
The boats are links to discovery
|Floating down a river on a lazy afternoon... As infants, we had learned to perceive. As children, we had learned how to move effectively and go where we want. As adults, we learned how to navigate—even, perhaps, down an unfamiliar river...||
"Drifting here, you learned to perceive, not to preconceive, what makes a land beautiful..."
This column is an entry into
Knowledge for Use.
A treasure hunt.
The boats below link to further depth.
Use "Back" to return.
|Perception is a strange thing. What we see seems like just what's there. Nothing more. Nothing less.||1Not
Two very different perceptions
|Mother Nature worked millions of years on our perceptions. We are born blind and gradually become able to "see" just a little of our world.||2Mysteries
mature into adults.
Children mature into adults.
Science is not just an alternative.
The color curves of the cones.
is seeing deeper than anyone thought possible
Collect new and better mind tools to see science.
color as three kinds of dots.
New and better mind tools
|When very young, we learned how to move effectively and go where we want. Mankind travelled a long way in time before discovering the rules of the road in space.||4The
How and why does the boat move?
Newton's First Law of Motion
a lot of first glances.
See extrapolation to limits.
Research in physics education
Martin Gardner's puzzles
|Effective rules of the road were first formulated by Isaac Newton. They are mathematical rules. They are very simple.||5Simple
Boats might break.
Newton's Second Law of Motion
F = ma
in the handball court
|We are immersed in folklore and myths, fairy tales that entertain and comfort. Some help us see. Some don't.||6The
Newton's Third Law of Motion
first glance at the third law.
Mutual reciprocity in the real world
from APS, via Larry Learner, thru Jer
|A body maintains
Its rest, or straight-line motion
Unless net force acts.
|F equals p-dot.
That is all you need to know.
Use it with wisdom.
|To ev'ry action
There's an equal reaction