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On the Web
- inter-Block Retaining Systems, Inc. - Manufactures the Inter-Block and Enviro-Block interlocking concrete blocks for the construction of gravity type retaining walls for flood control, slope protection, and soil erosion prevention.
- Stacker Blocks 3D - A falling blocks game for Windows in the style of classic Tetris. However, unlike classic Tetris, Stacker Blocks uses Direct3D graphics to give the game added visual appeal. (Open Source, GPL)
- InfoWeb - Block Scheduling Information - A well balanced research report on various components of block scheduling in 25 high schools in North Carolina.
- Block Mania - A game set in the world of Mega-City One, home of 2000 AD's Judge Dredd. Each player controls the citizens of an entire Mega-City block, as they attempt to destroy the blocks next door.
- My Memories of Block Island 1988-1998 - A heart-warming, pictorial and descriptive tour of Block Island, the "Bermuda of the North" by entertainer Kenny Hicks, who performed there at Champlin's Marina for 10 summers.
- Documentation of Internet Filtering Worldwide - Research documenting some of the specific sites blocked in a variety of locations worldwide. Current research investigates sited blocked in China and Saudi Arabia, and blocked by a variety of commercial Internet filtering programs. Future research will consider blocking in other countries. [Last updated October 2003]
- The Problem With Block Scheduling - The Case Against Block Scheduling: An Educational Fad that Hurts Academic Performance.
- Austin ISD Changes from Block Scheduling - Article in Austin American Statesman describing the change from block back to traditional.
- Lawrence Block - Photographs and personal statement from Block which appeared in the Galut exhibition at the National Museum of American Jewish History.
- Block Scheduling Articles - A large selection of articles on block scheduling from the Music Educators National Conference (MENC).
Wikipedia Articles
- Block cellular automaton - A block cellular automaton is a special kind of cellular automaton (CA) in which the lattice of cells is divided into non-overlapping blocks, and each block is evolved independently according to some rule that maps the states of the cells in the block at time t-1 to their new states at time t. To allow information to propagate across block boundaries, different partitioning schemes are alternated, so that cells that were separated ...
- Block LU decomposition - In linear algebra, a Block LU decomposition is a decomposition of a block matrix into a lower block triangular matrix L and an upper block triangular matrix U. This decomposition is used in numerical analysis to reduce the complexity of the block matrix formula.
- Roll-block - The roll-block system allows a coupled train of standard gauge wagons to be automatically loaded or rolled onto pre-coupled narrow gauge transporter wagons so that the train can then continue through a change of gauge. The roll-block wagons go underneath the standard gauge tracks and as the roll-block train is pulled out of the roll-block siding each transporter picks up a standard gauge wagon as it (the Roll-block ?
- Block cipher - In cryptography, a block cipher is a symmetric key cipher which operates on fixed-length groups of bits, termed blocks, with an unvarying transformation. When encrypting, a block cipher might take a (for example) 128-bit block of plaintext as input, and output a corresponding 128-bit block of ciphertext.
- Concrete masonry unit - A Concrete masonry unit (CMU) [US], concrete block, cement block, breeze block [UK], cinder block or foundation block [US], or clinker block (if bottom ash or clinker is used as an aggregate) is a large rectangular brick used in construction. Concrete blocks are made from cast concrete, i.