Wanderings

Technology

Gotcha with Capcha!

Finally allowed comments, and without “Capcha” (those characters you have to type) for a submission, got lots of junk. There are robots (actually, computers) that search blogs and guestbooks, waiting for a chance to enter some text and electronically hit the submit button.

Those robots can’t read images, only text…so, when they have to enter the capcha text to submit their spam, nonsense or XXX rated advertising, they are out of luck.

It’s now there big as life, which will cut down on how many pending “Comments” I have to read before they actually get posted.

Facebook Is Not Easy!

Maybe I'm too much out of the loop, but getting everything you want in Facebook working is not easy. In fact, people who have a FB account, and manage to get their stuff out there can't complain about any other software.

Here I am, a "computer nerd", and I'm wrestling with how stuff works, and where's the "help file?" Glad to be communicating with a lot of friends, but "whoa there – Joe needs to catch up."

Looking around on FB, there are not many older people – maybe my angst is part of their reason. Sometimes it's just easier to pick up the phone and ask the question or give the answer. However, this makes it easy to let a bunch of people know what's happening in your life.

Perhaps in a few days, things will settle down and I'll be cruisin' on FB, sharing with my friends around the country (even the world). Kinda cool and exciting at the same time.

Shades of “Bionic Man”

robo_arm-150x150Got my January issue of IEEE Spectrum – all about the work of members of IEEE. The cover picture featured this arm – was that ever a shocker. Work is going on to make new prosthetic arms that will allow the user/wearer to touch, feel and control with their own nervous system! Reading about the work gives new meaning to “nanotechnology.”

This issue of Spectrum was about the “Winner and Loser Technologies of 2009”.

The article begins by telling of an engineer who is playing “air guitar hero” (take off on “Guitar Hero”) without a guitar! “More to the point, he is playing without his right hand, having lost it in Iraq in 2005.” He quits only after beating the high score of another engineer who just happens to have two hands.

The winner had controlled the muscles in his forearm, and the electrical impulses had been wired into a sort of “Wii-like” device. This is all part of research to provide better, more realistic artifical limbs to people who have lost theirs and is all part of a U.S. Government program for veterans, but the reward will be to all amputees.

Sally Adee, writer of the article says that it is much more difficult to create artifical arm/hand combinations than artificial legs. “Legs require only 4 degrees of freedom, where an arm and hand combination needs about 22 degrees of freedom plus the ability to feel heat, texture and force.”

If you can get to your library and check out the issue, I would highly recommend it. It is not a science article, and talks in non-techie terms.