Links for September 29
Designer sends calligraphic text messages
The history of time sheets (It's more interesting than it sounds)
NSA collecting social media information
Inside the fall of RIM
How to destroy a magnet
The interactive periodic table from above video
Constant diameter solids which aren't spheres
The Tom Sachs interview in Adam Savage's The Talking Room series
What's involved in making a £100,000 watch?
Marble bookmark
The science of leaves changing colour
The science of creativity
Great photos of The Shard
How do magnets work?
Jim Henson- Make art, make money
From punk rock to family men
Beautiful Japanese manhole covers
Adam Savage's ten rules of making
A ring clock
Sotheby's video on some Patek clocks
Sotheby's video on an astronomical table
Sotheby's George Daniels auction