The popularity of wood for floors of dwellings dates back to pioneer
days, when our forefathers used thick, hewed sections of log smoothed
as far as possible on one face with an adz and laid edge to edge to
make their puncheon floors . Later, during colonial days, when
sawed...
There is a large and growing market for portable consumer audio products
with very small size. As the size of these products is reduced, the area occupied
by batteries becomes significant and hence limits the number of batteries to one.
In order to build such small products, high levels of...
Haiti is far from achieving the UN goal of sanitation access for all; 20% Haitians have no sanitation access, and less than 0.1% of urban excreta is safely managed. Container-Based Sanitation (CBS) may be a key tool for achieving equitable sanitation coverage in Haiti’s cities. CBS is a sanitation strategy...