Morse Code Reader
Morse Code Reader
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EIN-O's Morse Code Box Kit $5.99 This Morse code box kit instructs children how to build a simple electric device to send and receive code messages. Includes Ein-O's I Know Guide.... |
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Morse Code Experiment $8.95 Long before there was e-mail there was Morse code! This communication system of "dots and dashes" still fascinates. Kids assemble the device, then use it to send "secret messages" to their friends. Historical science fun!... |
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Code: The Hidden Language of Computer Hardware and Software $6.87 Charles Petzold's latest book, Code: The Hidden Language of Computer Hardware and Software, crosses over into general-interest nonfiction from his usual programming genre. It's a carefully written, carefully researched gem that will appeal to anyone who wants to understand computer technology at its essence. Readers learn about number systems (decimal, octal, binary, and all that) through Pe... |
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Spy Science: 40 Secret-Sleuthing, Code-Cracking, Spy-Catching Activities for Kids $5.00 Sh-h-h-h-h-h!!Top Secret...Crack the code of superspy science fun!Make your own spy sunglasses * Write messages with invisible ink * Hook up a secret alarm, and much more!Discover how spies use science to keep--or uncover--top secrets. Learn how to go under cover, master Morse code, and even build devices to see and hear through walls! These and dozens of other fun-filled activities give you an in... |
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Samuel Morse and the Telegraph (Graphic Library: Inventions and Discovery series) $4.15 In graphic novel format, tells the story of how Samuel Morse developed a working telegraph in 1844 that changed the way people communicated.... |
Something is wrong with my laptop, Machine_Exception_Error?
Dear Readers,
For about 2 days ago i posted a question at http://answers.yahoo.com/question/index;_ylt=ArU6BA6xxm03Wmfkt6K6rO3sy6IX?qid=20070115134428AAPYJ9i. I contacted the computer administrator at my school and he said that it probably is the 4 antivirus scanners conflicting each other or it is the immense amount of space that i have (60 gb of memory, 5gb free). But, today, I tried to turn on my computer and I got the blue screen saying:
Machine_Check_Exception
Technical Info:
***Stop: 0x0000009C (0x00000004, 0x8054D370, 0xB2000000,0x00070F0F)
Beginning dump of physical memory
I turned off my computer by use of the power button and my computer would not turn on. I could only hear a sound and in morse code it woud be - - - click click, repeating over and over again. What should I do?
All drives need at least 15% free space for scratch space. At <8%, the computer is thrashing, writing stuff that belongs on disk to Ram , stuff that belongs on Ram to disk. too much disk use causes the drive to crash. Powering off with the power button probably corrupted the boot sector. the sound you hear is the disk drive trying to find the boot sector, which isn't there.
fix: reformat and restore partitions using original disks. restore data from backups