(Nazaré, Portugal)
domingo, julho 26, 2015
segunda-feira, julho 20, 2015
domingo, julho 19, 2015
sábado, julho 18, 2015
quinta-feira, julho 16, 2015
quarta-feira, julho 15, 2015
terça-feira, julho 14, 2015
Spooky
Today at lunch hour, just as New Horizons was reaching its closest distance to Pluto, I felt Charon's presence in the elevator of the mall. I knew it: they are watching us just as we are watching them.
quinta-feira, julho 09, 2015
quarta-feira, julho 08, 2015
domingo, julho 05, 2015
quarta-feira, julho 01, 2015
Seeing the invisible
Seeing the invisible seems paradoxal. Yet it can be so simple...
Below, not only we can 'see' the transparent water, but also we can map its depth and find 'invisible' floating sand using the shadows. Or we can estimate the position of the sun relative to the observer (both invisible in the photo), infer the hour of the day, or...
A good model can do wonders, a bad model can lead to disaster.
Below, not only we can 'see' the transparent water, but also we can map its depth and find 'invisible' floating sand using the shadows. Or we can estimate the position of the sun relative to the observer (both invisible in the photo), infer the hour of the day, or...
A good model can do wonders, a bad model can lead to disaster.
Subscrever:
Mensagens (Atom)