Technology opinions and digital photography
-
The Battery University
When looking for factual information about batteries, the journey of the Internet user is full of traps. Fortunately, I found a detailled, very readable and facts-based web site. It named BatteryUniversity.com. I like a lot the 3-part articles with a lot of details (and with German translations). You will know everything about all battery technologies,…
-
Canon 450D / Rebel XTi replacement
I found an old post on PhotoGraphyBay that is trying to describe the upcoming Canon EOS 450D (the supposed replacement for the current EOS 400D / Rebel XTi). I would say that this is pure speculation, but so many people are now expecting it to appear on the 24th of January, that I could not…
-
Use your iPhone to access the Internet from your PC laptop
Thanks to LifeHacker, and if you have the following, you will be able to use your iPhone to access Internet from your laptop. A computer with Wi-Fi capable of creating an ad-hoc computer-to-computer connection (yours is) A jailbroken iPhone (If you don’t know how to jailbreak your iPhone, the easiest way is to make sure…
-
Cocoi heron
Click on the thumbnail images to enlarge them In my eyes, this is one of the nicest great herons, despite being very common in Brazil. Cocoi heron (Ardea cocoi, héron cocoï).
-
Whistling Heron
Click on the thumbnail image to enlarge it Whistling Heron (Syrigma sibilatrix, Héron flûte-du-soleil). Shot in Brazil, 2007.
-
Master your D-SLR, LifeHacker guides
LifeHacker published a series of articles about the basics of a Digital SLR (Single Lens Reflex) camera. It’s worth reading if you are not pro-photographer. Part 1 : Program mode Part 2 : Manual mode It could be useful to quickly master your latest Christmas gift.
-
Illusion of a perspective
Wrong perspective, optical illusion, mistake of the drawing hand? Along similar lines, more brillant, here is a cool graphical work from Daniel Martinez Lara and Kike Oliva. And, finally, the engraving from Escher that inspired one optical illusion and draws from the other’s principles.
-
Whale ancestor found
We all knew that the whale was actually a terrestrial mammal gone back to the sea a few million years ago (this is most visible in the presence of vestigial leg bones that are not associated to externally apparent legs or fins), but it was a bit difficult to say exactly what the ancestor looked…
-
Did you backup?
A backup, this is nearly nothing. But it can help you, it can save you, when disaster will strike. Since when didn’t you backup? Some ideas: Remember to copy the contents of your Flash memory card (even more if you store a lot of JPEG images on your big Flash card) Copy the data files…
Copyright (C) 1999-2025 Yves Roumazeilles – All rights reserved