Letter bombs

High Speed Automated Detection of Letter Bombs (Ref 22)... 

In response to the threat of letter bombs, perpetrated by international terrorists during... 

Weber, Application of Nuclear Gauging Techniques to the High Speed Automatic Detection of Letter Bombs , IRT Rpt 4617-007, IRT Corp, PO Box 80817, San Diego, Calif (1978) 23) H. Weber et al, Automated Inspection Device for Explosive Charge in Shells—A1DECS , IRT Rpt 8155-033, IRT Corp, PO Box 80817, San Diego, Calif (1979)... 

Bomb FDA (1995) A Trojan horse that attacks a computer system upon the occurrence of a specific logical event ( logic bomb ), the occurrence of a specific time-related logical event ( time bomb ), or something that is hidden in electronic mail or data and triggered when read in a certain way ( letter bomb ). 

I saw many such pictures during the recent rash of letter bombings. Bomb squad people would be wearing useless vests and carrying the vile letter bombs in their bare hands. Ignorant ... 

At any rate the letter bomb is the lowest of the no-class weapons. It usually gets some non-involvcd postal worker or secretary. Anyone so cowardly that he can t deliver his weapon to the target is beneath contempt. 

There are some things that are inherently unpatentable, like mathematical equations, the human body, perpetual motion machines, and ways of making, say, a better letter bomb. Here, society has decided that some things just shouldn t be patented. For everything else, there are three fundamental requirements that must be met in order for an invention to be patentable ... 

The PCR technique allows billions of copies of a DNA sample to be prepared in a few hours. PCR enables researchers to study extremely faint and tiny traces of DNA obtained from biological samples, such as specks of dried blood, strands of hair, chips of bone, or even from fingerprints. PCR amplification of the DNA in a single sperm cell has been used to link suspects to rape victims. A single cell from saliva on the stamp of a letter bomb would provide enough DNA to help identify the person who licked the stamp. 

A letter bomb usually weighs less than a pound and can be mailed in a manila envelope (Figure 6.11). A package or briefcase bomb is a bomb built into a container with a size limitation of about 50 pounds total weight (Figure 6.12). These devices can be placed and set with a timer or antidisturbance booby trap, or simply sent... 

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