(a) Extreme Sudoku puzzles are usually designed for defying our logical reasonings, so we can counter with the Principle of Least Choice (PLC) by selecting the least likely one when facing the multiple choices of our next move. The harder the puzzle, the more often PLC is recommended to be used; (b) This is the first of many volumes of the…[Read more]

Wang, MHS and Wang, LK (2022). Calcium and magnesium control technologies and terminologies. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (10B), STEAM-VOL4-NUM10B-OCT2022. 39 pages. October 2022, Lenox Institute Press, Massachusetts, USA. ….. ABSTRACT: The…[Read more]

Oksana Y. Oshurkevych-Pankivska, and Yuriy I. Pankivskyi (2022). The Flow Regulatory Influence of Forests on The Catchments of Small Rivers of Ukrainian Beskids. In: “Environmental Science, Technology, Engineering and Mathematics (STEM)”, Lawrence K. Wang, Mu-Hao Sung Wang and Yuriy I. Pankivskyi (editors). Volume 2022, Number 11, November…[Read more]

Tsao, Hung-ping (2022). The Natural Sudoku Lecture 4. In: “Evolutionary Progress in Science, Technology, Engineering, Arts, and Mathematics (STEAM)”, Wang, Lawrence K. and Tsao, Hung-ping (editors). Volume 4, Number 11E, November 2022; 58 pages. Lenox Institute Press, Auburndale, MA, 02466, USA. No. STEAM-VOL4-NUM11E-NOV2022; ISBN…[Read more]

(a) Hard sudoku puzzles are usually designed for defying our logical reasonings, so we can counter with the Principle of Least Choice (PLC) by selecting the least likely one when facing the multiple choices of our next move. The harder the puzzle, the more often PLC is recommended to be used; (b) This lecture serves as the preface for promoting…[Read more]

Wang, LK, and Wang, MHS (2022). innovative process system consisting of dissolved air flotation, recarbonation and filtration, using lime and sodium aluminate for removal of hardness, iron and manganese from groundwater. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (ed…[Read more]

(a) Hard sudoku puzzles are usually designed for defying our logical reasonings, so we can counter with the Principle of Least Choice (PLC) by selecting the least likely one when facing the multiple choices of our next move. The harder the puzzle, the more often PLC is recommended to be used; (b) This lecture serves as the preface for promoting…[Read more]

The feasibility of treating the Hillcrest Educational Center (HEC) wastewater by a WWT system consisting of septic tank, dissolved air flotation-filtration (DAFF) and leaching field are studied in three parts: (a) Technically the DAFF treats the HEC septic tank effluent well and removes 91-94% TSS, 40-76% COD, 60-65% BOD, 56-98% P,…[Read more]

Wang, LK and Elmore, DC (2022). A computer plotting program for scientific and engineering applications. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (10C), STEAM-VOL4-NUM10C-OCT2022. 61 pages. October 2022, Lenox Institute Press, MA, USA ……..ABSTRACT: The…[Read more]

Wang, LK and Wang, MHS (2022). Reduction of color, turbidity, odor, humic acid, metals, EDB, coliform and TTHM by adsorption, flotation and filtration. In: “Evolutionary Progress in Science, Technology, Engineering, Arts and Mathematics (STEAM)”, Wang, LK and Tsao, HP (eds.), 4 (10D), STEAM-VOL4-NUM10D-OCT2022. 51 pages. October 2022., Len…[Read more]

(a)Hard sudoku puzzles are usually designed for defying our logical reasonings, so we can counter with the Principle of Least Choice (PLC) by selecting the least likely one when facing the multiple choices of our next move. The harder the puzzle, the more often PLC is recommended to be used; (b)We shall give only three examples. (PLC will be…[Read more]