PopSci’s a forward thinking place, but their vintage stuff is worth a check too – harkening back to a simpler time when a magazine could teach you how to build a crossbow without fear of litigation. Also: homebrew tractors. [PopSci]
Apple priced digital downloads lower than CDs. Amazon said a digital book should be cheaper than a paper one. But for the time being, virtual magazines will cost a pretty penny, says Fortune.
As we’ve been hearing for months, 2010 is going to be a year of belt-tightening for NASA. But it still has some cool technologies on the way: inflatable space stations, research into mid-orbit refuelling, and new autonomous space vehicles.