The Physics of Earthquakes and Seismographs
The article explains seismograph operation using a heavy weight and pen to record ground motion. It defines the Richter scale as logarithmic and notes 2.0 as microquakes, 9.5 as the largest quakes near Chile in 1964 with tsunamis affecting Hawaii and Japan. It describes locating epicenters by measuring P and S wave arrival times.
MENTIONED IN THIS ARTICLE
Chile
Hawaii
Japan
Clean enough becomes new housekeeping standard
Washington sociologists describe a shift to a flexible standard called clean enough. Women balance fewer hours on chores with rising expectations, while younger mothers seek patience from older generations. The trend underlines class and generational tensions over home maintenance.
MENTIONED IN THIS ARTICLE
Washington
Elizabeth Sherrill
Kansas City
University of Maryland
John Robinson
Marla Cilley
Flylady
Deborah Carr
Rutgers University
New Brunswick
N.J
Carr
Lynda Mota
Onsted
Mich
Mota
Kate Curley
Westborough
Mass
Tina Hopkins
Tampa
Fla
McClatchy
Cilley
Indiana
Linda
Flylady.net
Glowing gadgets rouse sleepers across dorms and homes
The rise of tiny blue indicators on devices like routers phones DVRs and TVs keeps rooms glowing even when off. Cornell student Rafael Garcia covers lights with tape to sleep while others unplug or mute gear to dim the glow though charging ends. Experts note the trend worsened recently as more gadgets include bright status LEDs.
MENTIONED IN THIS ARTICLE
New York
Cornell University
Rafael Garcia
Shawn Therrien
Los Angeles
Fortress of Solitude
Tom Hespes
Also Mentioned on This Page
Marshall Brain
Federica Narancio
Bob Hallinen
Anchorage Daily News
Anie Haakenson
Anchorage
Alaska
Peter Svensson
Associated Press