After a long year of belt tightening perhaps the time has come to reflect on all that you missed out on in 2009 and add some last-minute items to your holiday wish list. Although this year's Scientific American gadget guide features some pricey technology, such as a $1,100 dual-screen notebook computer, it also includes some practical and budget-conscious low-tech solutions that could help you resurrect water-damaged electronics, keep closer tabs on your electricity consumption, and warm your hands after you turn down the thermostat a bit.

View a slide show of the 2009 Scientific American Gadget Guide