Electric Sheep

Traditional phones pass conversations over the Public Services Telephone Netwok (PSTN). Anyone who's ever used Skype knows, though, t...

Radio-Frequency Identification (RFID)  is a special case of NFC.  The tags themselves are passive devices. Beaming energy at them in the rig...

I've seen people offer up their wireless phones as hotspots -- portable wireless access points (WAPs) -- when no other WAP was working. ...

I'm told that there are commercials on TV touting Near-Field Communications (NFC): you just hold Android phones back-to-back  and they e...

Ah, heck. It's been a month since I posted anything.  I've done things, but haven't said how. I wrote posts, but I can't f...

I go out for beer and supper with my pal, Jim Flanagan, and use what I've learned to explain why his attempt to put a random Java app on...

Building an app was fun, so let's look at the next tutorial, on lifecycles . Maybe it'll modify the app I have to help me understan...