Introduction to the Domain Name System (DNS)

The local name server is configured to use the root name servers so the root name server for the .com top-level domain returns the IP Address of the authoritative name server for www...


Toward ‘greener,’ inexpensive solar cells

Now scientists are reporting in the Journal of the American Chemical Society a new advance toward more practical, greener solar cells made with inexpensive halide perovskite material...


The first crocodile ancestors

Importantly, it is from around the time when this dinosaur-crocodile split occurred, and therefore should hold important clues to the evolutionary history of these groups. The teeth ...


New advances in solar cell technology

Recent publications from Prof. Qi’s lab cover three different areas of innovation in perovskite film research: a novel post annealing treatment to increase perovskite efficiency and ...


What’s important in open source today

Opensource.com community moderator Jono Bacon kicked off keynotes at All Things Open this year to talk about open source communities Building communities Jono mentioned that it’s h...


Venus’s turbulent atmosphere

But that is about where the similarities end: Venus is one the most hostile places in our solar system. This phenomenon is called superrotation, and it causes substantial turbulences...


The iconic text editor Vim celebrates 25 years

Turn back the dial of time a bit. No, keep turning… a little more… there! Over 25 years ago, when some of your professional colleagues were still toddlers, Bram Moolenaar started wor...


Pi Zero Wireless out now for $10

Today, on the fifth anniversary of the release of the original Raspberry Pi, the Foundation has released Pi Zero W, a Pi Zero with built-in WiFi and Bluetooth, for $10. The latest ad...