Tag Archives: heartbeat

Recommended Heartbeat

Human Body DIY – How to Listen to Your Heartbeat with a Straw!

Posted on July 9, 2009 by max

Here’s a really fun way to listen to your heartbeat by attaching a straw to your neck, why didn’t I think of this? – Pure Genius!

The next time you can’t figure it out, just stick a straw on the neck!

via make

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MySQL DIY – How To Set Up A Load-Balanced MySQL Cluster!

Posted on March 25, 2009 by max

For large websites with large MySQL databases, you might need to setup a load-balanced MySQL Cluster.  Here’s some great info on how to do that:

This tutorial shows how to configure a MySQL 5 cluster with three nodes: two storage nodes and one management node. This cluster is load-balanced by a high-availability load balancer that in fact has two nodes that use the Ultra Monkey package which provides heartbeat (for checking if the other node is still alive) and ldirectord (to split up the requests to the nodes of the MySQL cluster).

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Border Patrol Bots!

Posted on July 22, 2008 by max

Well, it wasn’t too long ago that BAE systems were rumored to work on insect-like robots for the military.  Now, BAE systems have developed Border Patrol Bots that can go under trucks, equipped with sensors, and practically allow travelers to move along faster while increasing security.

I think it’s a good idea I guess, just don’t tell me any of my tax money is going into it.  THEN, I’d have to ask the government to stop doing it as I don’t want to spend money on border patrollization.

With so many people I kn

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How fast does your heart beat when you get hit on your grape balls?

Posted on May 20, 2008 by max

video://www.youtube.com/watch?v=rmIVSny4e2g

Here’s a funny science video you can watch to learn what happens to your heartbeat.

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Wireless HACK – How to make your own wireless detecting vibrator!

Posted on March 23, 2007 by max

video://www.youtube.com/watch?v=Sc-eLH9KdIw

Wow, check out this guy who hacked a wireless detector to vibrate whenever he was near wireless networks.

This project is for a small electronic unit that allows the user to sense the presence and relative signal strength of wireless hotspots. It can be worn as a pendant or carried in a pocket. It is “always on” and communicates the presence and signal strength of an in-range hotspot by way of sequences of pulses – like a heartbeat you can feel. The stronger and faster the “heartbeat”, the stronger the w

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