Star Trek fans were thrilled when an engineering firm last year introduced a "real tricorder," a handheld sensing device that records temperature, ambient light, barometric pressure, and electromagnetic radiation of a few kinds, but weren't as thrilled with the $400 price tag. Soon Trekkies who already own a Newton MessagePad can add Tricorder MP, a $69 utility expected this month from Sir Isaac Software that takes advantage of the Newton's infrared port and internal temperature sensor to scan the environment. [AHM]
Removing Photos from iPhoto
Despite iPhoto's long history, many people continue to be confused about exactly what happens when you delete a photo. There are three possibilities.
If you delete a photo from an album, book, card, calendar, or saved slideshow, the photo is merely removed from that item and remains generally available in your iPhoto library.
If, however, you delete a photo while in Events or Photos view, that act moves the photo to iPhoto's Trash. It's still available, but...
If you then empty iPhoto's Trash, all photos in it will be deleted from the iPhoto library and from your hard disk.
Published in TidBITS 321.
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