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Canon Rebel XSi ups rez and adds live view

Editor's note: This blog has been updated to reflect new information from Canon regarding the number of JPEGs the Rebel XSi can shoot in a single burst.

Canon fans looking for an update to the 5D will have to wait a little longer it seems, since the company just announced an update to the entry-level XTi as its big PMA SLR news. You shouldn't be disappointed, though, since the new Rebel XSi makes a good showing in the entry-level dSLR category. The XSi has a 12.2-megapixel APS-C size (1.6x field of view conversion factor) CMOS sensor, … Read more

Hard-charging electric vehicles? Do the math!

A couple of people sent me links to an Associated Press story, "Texas Startup Says It Has Batteries Beat."

In the story, AP writer Grant Slater presents the claim by Austin, Texas, start-up EEStor (the company has no Web site yet) that "a motorist could plug in a car for five minutes and drive 500 miles roundtrip between Dallas and Houston without gasoline."

Now, c'mon. This is just not practical. I can say this even though I know nothing about EEStor's technology beyond news reports that it's some kind of high-density… Read more