Wednesday, January 16, 2013

Change and Time

Can time be measured without change?  Clearly this automobile has experienced change:


So, time has passed for the automobile.

How about a single proton floating in the vastness of space for the last 5 billion earth years:


Encountering no other matter or energy, has the proton experienced any type of change?
Is the proton any different after 5 billion earth years?

Has the proton experienced any time?


Monday, January 14, 2013

What is Technology?

The woodpecker finch below is prying grubs out of a tree using a cactus spine.
The child below is learning the alphabet using an iPad.
Both are tools.  Are cactus spines and iPads both examples of technology?