It was disappointing to see Paul Krugman ("The French Connection," column, July 23) dismiss the significant progress of American broadband deployment.
With technology companies like KenCall emerging in Africa, Thomas L. Friedman's key observation that something is stirring on the continent is right on point ("The Africa Connection," column, April 4).
The 0.9 h is chosen herein as an upper bound because it approximates the effective depth of slab. Figure 21 compares the shear capacity at the center slab-column connection (Column 1) evaluated based on Eq. (1) and the shear demand determined from analysis at 30, 60, and 90 min of heating.
The proposed connection connects columns through flanges, connects trusses to columns through cover plates that extend from the flanges and through vertical connecting plates and joint flitches.
A picture in The Arts on Monday, with the Connections column, carried an erroneous credit.
Correction: April 24, 2003, Thursday A picture in Arts & Ideas on Saturday with the Connections column, about Beethoven's Ninth Symphony, was published in error.
The Connections column in the special Museums section on March 29, about the effects of laws protecting American Indian artifacts, misidentified the state where the Hopi tribe is based.
The idea described in this paper can also easily be applied to develop other kinds of connections, such as simple connections, column based connections or hollow section connections, and so on.
Correction: June 17 , 2002 Monday The Connections column in Arts & Ideas on Saturday, about sentimental feelings brought on by the sound of audiobooks, misidentified the prisoner cobbling his shoes in the Bastille in Dickens's "Tale of Two Cities".
The Connections column in The Arts on March 20, about the art of conversation, misspelled the name of an 18th-century journal that Samuel Johnson said had "adjusted" conversation with their "propriety and politeness".
Re "A Rabbi of His Time, With a Charisma That Transcends It" (Connections column, Arts pages, Dec. 24), about Rabbi Abraham Joshua Heschel Edward Rothsteinn writes that theological politics "tends to eliminate distinctions and is impatient with differences, empathy and argument".
