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Feed Engadget: VoIP said to be working on iPod touch (engadget.com)

From feed by engfeed

Filed under: Portable Audio

We've already seen a microphone rigged for use with the iPod touch, and it now looks like that hack could soon be about to get a whole lot more useful, as the iPod Touch Mods blog is reporting that an enterprising individual known only as "eok" has manged to get VoIP working on the device. According to the blog, eok used the SIP-based SvSIP application originally developed for the Nintendo DS as the basis for the hack, although there's unfortunately few other details at the moment, let alone the recompiled version of the app itself, or even a screenshot of it in action. Given the history of these things, however, we wouldn't expect it to take too long for those tidbits to trickle out, assuming the hack lives up to its promise, that is.

[Thanks, RadicalxEdward]

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Feed Science Daily: Cockroaches Are Morons In The Morning, Geniuses In The Evening (sciencedaily.com)

From feed by sdfeed
In its ability to learn, the cockroach is a moron in the morning and a genius in the evening. Dramatic daily variations in the cockroach's learning ability are reported in a new study. The few studies that have been done with mammals suggest their ability to learn also varies with the time of day. For example, a recent experiment with humans found that people's ability to acquire new information is reduced when their biological clocks are disrupted, particularly at certain times of day.
Biotech

Submission + - Mutant Algae to Fuel Cars of Tomorrow?

Submitted by
Hugh Pickens
Hugh Pickens writes: "Algae has long been known as a promising source of biodiesel, however algae also produce a small amount of hydrogen during photosynthesis. The MIT Technology Review reports that now researchers have created a mutant algae that makes better use of sunlight to increase the amount of hydrogen that the algae produce. In a commercial bioreactor, the top layers of algae absorb most of the sunlight but can only use a fraction of it. Anastasios Melis and his team at the University of California have manipulated the genes that control the amount of chlorophyll in the algae's chloroplasts reducing the chlorophyll so that the algae absorb less sunlight. This lets more light penetrate into the deeper algae layers so that more cells use the sunlight to make hydrogen. Although the process is still at least five years from being used for hydrogen generation, Melis estimates that if 50% of capacity of the photosynthesis of the algae could be directed toward hydrogen production, an acre could produce 40 kilograms of hydrogen per day bringing the cost of producing hydrogen to $2.80 a kilogram. At this price, hydrogen could compete with gasoline, since a kilogram of hydrogen is equivalent in energy to a gallon of gasoline."

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