Hidden But Always PresentRemember autostereograms? They were big in the 1990s. Computer-generated images looking like a kaleidoscope of colored bits shaken into rows and columns. Look at them and you see just the 2D bits. But rela...

Phantoms?“Hope and fear are both phantoms that arise from thinking of the self." (Lao Tzu) How often we imagine futures in which we are better off in one way or another. Such futures are surely to be hoped for. But wait, what if the fu...

What Is Reality?Big question, isn’t it? I like Philip K. Dick’s answer. “Reality is that which, when you stop believing in it, doesn’t go away.” Dick was a novelist and science fiction writer but I don’t think there’s much fiction in h...

Beyond Our Senses“Look, and it can’t be seen. Listen, and it can’t be heard. Reach, and it can’t be grasped.” (Lao Tzu) What is this? A riddle? Whatever it is, it can’t be seen, heard, or grasped. Is it nothing or is it...

Above The CloudsThe title above refers to the quotation “It’s always sunny above the clouds.” I’ve always liked those words even though, when you think about it, they say something so obvious it’s hardly worth saying. Of course it’s sunny u...