My Top 5 Artists (Week Ending 2011-7-24) →
Imelda May (15) The Black Keys (15) Danger Mouse & Daniele Luppi (15) Jill Scott (15) Flight of the Conchords (12) Imported from Last.fm Tumblr by JoeLaz
Lens: A Los Angeles Suburb Is Home and Subject →
In Southern California, the daylight can be harsh, even when the brilliant sunshine filters through a gauzy layer of smog. But in the fleeting moments of day, as early evening melds into twilight, the light softens. This is when the photographer Tom M. Johnson wanders his neighborhood, camera in hand, in search of serendipity. In Lakewood, 20 miles outside of Los Angeles, Mr. Johnson has spent...
Is Grade 8 too early for algebra? →
The Manhattan Beach Unified School District boasts the third-highest test scores in the state of California. So it would be natural to assume that a relatively large share of its eighth-graders are on the accelerated track in mathematics. Conversely, the Lennox school district has the highest rate of poverty in the South Bay. One might assume that a disproportionate number of its eighth-graders...
Are We Prepared for a Catastrophic Solar Storm? →
One of the biggest disasters we face would begin about 18 hours after the sun spit out a 10-billion-ton ball of plasma—something it has done before and is sure to do again. When the ball, a charged cloud of particles called a coronal mass ejection (CME), struck the Earth, electrical currents would spike through the power grid. Transformers would be destroyed. Lights would go out. Food would...
Why Manufacturing Matters →
Between 2000 and 2010, the number of manufacturing jobs in the United States declined by 34 percent—a loss of more than six million positions. For now America remains one of the world’s greatest manufacturing powers—it makes 19.4 percent of the world’s manufactured goods, a share that fell only slightly over the past 30 years and is right behind China’s share of 19.8 percent. But hard questions...
The chemistry of fireworks, from ACS.