Got a question about technology? Ask it here. Discussion of hardware, software, TiVos, multi-region DVDs, Windows, Macs, LINUX, hand-helds, iPods, anything tech related. Better than any helpdesk!
I hve one photo extant from my previous foray into IR.
Ooh - that's cool. (Or, you know, warm. and cool.)
eta: What's interesting to me is, the way it's always explained is that we have a visual spectrum, and right next to it we have infrared, which is heat radiation. But actually, we have near-infrared in between the two, and near-infrared is
not
heat radiation. So it's like we humans have a "blind spot" in the electromagnetic spectrum that nobody talks about. (Of course, the whole rest of the spectrum could be considered a "blind spot.")
Also, can't some animals see ultraviolet light that we can't? I think some animals/insects can see in near-infrared.
My photo teacher had amazing images in infrared. I tried once, but my camera didn't have the red dot thingy that helped with exposing for infrared, and they didn't turn out well.
I hve one photo extant from my previous foray into IR.
That's a pretty amazing photo. I like it.
Also, can't some animals see ultraviolet light that we can't? I think some animals/insects can see in near-infrared.
It's mostly about the energy required to excite the specific chemicals in the photoreceptors in the eye, and what wavelengths of light provide those energy levels. Infrared affects molecules differently than visible and UV light do. Infrared causes bonds to vibrate. UV-vis causes electron promotion. Near infrared is the border between the two. Presumably species that can see further out into the spectrum have slightly different compounds in the eye than humans.
It's always amazed me that the chemicals in the eye human are sufficiently diverse to discern the visible spectrum as a continuum (or something close), rather than there being occasional gaps in the spectrum because the compounds don't have that particular energy level.
engadget tests the $1500 Optimus Maximus keyboard ($1500): [link]
Hello JenP in the future!
A friend who just got an iTouch is returning it because the Flash player in Safari didn't work (he didn't say where he'd tried and failed) and because it didn't download email attachments--he said you had to be attached to the internet to open them.
Is that true? The former's not huge for me, but the latter is a mark against as I tally it.
It doesn't have a Flash player. I don't know about downloading email attachments - I've got an iPhone so data roaming is always available, would explain why I've never noticed it before.
I just turned off my iPod touch's wifi and opened up Mail - no trouble at all opening email or attachments.
Lack of Flash support is a known thingy. The youtube app only play content in h.264.
I thought I read somewhere that there is a 3rd party flash player in development for the iPhone.
