A periodic table of visualization methods, A periodic table of visualization methods continuum
Ascii table - ascii character codes and html, octal, hex, Ascii table and description. ascii stands for american standard code for information interchange. computers can only understand numbers, so an ascii code is the
Hash table - wikipedia, the free encyclopedia, In computing, a hash table (hash map) is a data structure used to implement an associative array, a structure that can map keys to values. a hash table uses a hash
The periodic table of videos - university of nottingham, Short videos about every element on the periodic table, plus other cool experiments and chemistry stuff
It's elemental - the periodic table of elements, [detailed data] interactive periodic table. including melting point, density, element history and crustal and oceanic abundance.
The photographic periodic table of the elements, The definitive online periodic table reference site including technical data, and photographs and descriptions of thousands of samples of the chemical elements.
Recommended levels of insulation : energy star, Insulation level are specified by r-value. r-value is a measure of insulation’s ability to resist heat traveling through it. the higher the r-value the better the
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