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Guide Index

If Only They Could Talk!

Who Needs Words, Anyway?

Number Crunchers

Figure That One Out

No Fools About Tools

Thinking About Thinking

Viewer Challenge
in the classroom
TEACHING GUIDES


Animal Einsteins:
Answers to Puzzles


If Only They Could Talk!
Number Crunchers
Figure That One Out




ANSWER TO IF ONLY THEY COULD TALK!

9 squares



ANSWERS TO NUMBER CRUNCHERS

110 = 6; 111 = 7; 1000 = 8; 1001 = 9; 1010 = 10. 1100 = 12; 1110 = 14; 11011 = 27; 100101 = 37; 1010101 = 85. The highest number you can express is 127 (1111111).



ANSWERS TO FIGURE THAT ONE OUT

Part One (possible solution):

answer one

Part Two (possible solution):

answer two

Part Three:

The flap is made by placing three cuts as shown here. Then, the right and left card halves are twisted in opposite directions and folded so that the flap sticks out from the middle of the twist.


card puzzle solution





 

Scientific American Frontiers
Fall 1990 to Spring 2000
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