My wife and I just bought a house and I’ve realized that there isn’t any room in the budget for major gadget purposes, so I’ve been trying not to get too excited about things coming down the road. It’s not suprising that I’ve been following the recently announced Nokia N810 Internet Tablet in a much more detached manner than usual.
That is until I saw Ari Jaaksi holding a prototype in his hand. Holy crap that thing is significantly smaller than the N800 and packs quite a punch. The slide-out keyboard is killer, GPS is a no-brainer these days and is included, the browser is Mozilla-based, the UI got a refresh… I could go on for days.
The other thing I really like about the new tablet is that the Maemo platform is moving to be even more open than it was before (which was about as open as the lawyers at Nokia would allow). The quite good but closed source Opera web browser has been replaced by one that is Mozilla-based. This is yet another major component that is now open instead of closed. The major closed-source components (if I’m remembering correctly) are now limited to the DSP, various binary drivers that Nokia licenses directly, and the handwriting recognition software. That’s definitely a smaller list than it was before, and I applaud Nokia’s efforts in opening up as much as possible. It’s also worth noting that the Ubuntu Mobile project is basing a lot of its work on the work that Nokia has done with Maemo (most notable Matchbox and the Hildon UI).
So yeah, I’m now paying much closer attention to this new device that I was doing my best to ignore. Job well done.
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Solar water heater or solar hot water is water heated by the use of solar energy. Solar heating systems are generally composed of solar thermal collectors, a water storage tank or another point of usage, interconnecting pipes and a fluid system to move the heat from the collector to the tank.
Sonnenkollektor oder auch Solarkollektor ist eine Vorrichtung zur Sammlung der im Sonnenlicht enthaltenen Energie. Traditionell steht die Bezeichnung für einen thermischen Solarkollektor, der mit der „eingefangenen“ Sonnenenergie ein Übertragungsmedium (Heizwasser) aufheizt, wobei nahezu das gesamte Strahlungsspektrum des Sonnenlichtes in thermischen Solaranlagen mit relativ hohem Wirkungsgrad ausgenutzt wird. Vorrichtungen zur Gewinnung von elektrischer Energie in Photovoltaikanlagen werden dagegen als Solarmodule bezeichnet.