sangwinc's channel
Loading...
247
subscribers
528,107
video views
Uploaded videos
1-10 of 18-
How round is your circle?! www.howround.com
sangwinc
201,854 views
This is a compilation of videos from my book, "How Round is Your Circle?". More information is available from www.howround.com
-
How do you measure the area of Yorkshire (www.howround.com)
sangwinc
2,652 views
How can you measure the area of an irregular plane shape?
-
How round is your circle?! (www.howround.com)
sangwinc
13,833 views
How round is your circle?! More information is available from www.howround.com
-
The two-tip tetrahedron (www.howround.com)
sangwinc
725 views
This tetrahedron has only two stable faces. More information is available from www.howround.com
-
The uni-stable polyhedron (www.howround.com)
sangwinc
1,339 views
Prof. John Conway proved that there are uni-stable polyhedra. That is to say, polyhedra which are stable on only one face. More information is available from www.howround.com
-
The super egg (www.howround.com)
sangwinc
3,817 views
This "super egg" stands on one end - but looks as if it should fall over! More information is available from www.howround.com
-
Solids of constant width (www.howround.com)
sangwinc
18,686 views
The width of a smooth shape is the distance between parallel tangents. When a shape is not smooth we must talk about parallel support lines instead. If we have a circle th...
-
Rolling ellipses (www.howround.com)
sangwinc
2,619 views
Take two identical elliptical discs and slot them together along diameters so that the discs are perpendicular. There is one separation of centres for which the compound sh...
-
Rolling discs (www.howround.com)
sangwinc
1,383 views
Take two identical discs and slot them together along diameters so that the discs are perpendicular. There is one separation of centres for which the compound shape has a c...
-
Sarrus's linkage (www.howround.com)
sangwinc
14,925 views
Historically, the first straight line linkage was described by Sarrus in 1853. It differs in that its parts move in three dimensions. It is applied widely in jacks, elevati...
Advertisement
About sangwinc's channel
more
less
Play all(18)