By The Numbers

The numbers for October 7, 2014

Tony Wagner Oct 7, 2014

The International Monetary fund is dialing back its predictions of global economic growth for 2015, revising its projection to 3.8 percent, down from 4 percent a few months ago. In its World Economic Outlook report, released Tuesday, the IMF blamed sluggish growth in part on the Eurozone, which it warns has a much higher probability of re-entering recession than it did earlier this year.

Tempering expectations further, the Wall Street Journal notes that the IMF’s predictions are often “overly optimistic.”

Here are some other numbers we’re watching Tuesday:

300 lumens per watt

LEDs are able to give off far more light for the amount of energy they use — compare that figure to 70 lm/W for fluorescents and 16 lm/W for incandescent bulbs. That efficiency won the blue LEDs inventors the Nobel Prize in physics Tuesday, CNET reported. It’s a break from past years, which awarded much larger and abstract discoveries like universal expansion and the Higgs boson.

77

The number of travelers stopped by stepped-up exit screenings from the Centers for Disease Control and Prevention in countries most affected by Ebola. President Barack Obama said Monday the U.S. will reexamine its practices here and abroad, the Washington Post reported, as several Republican lawmakers push for travel bans.

1984

The IBM Model M keyboard has been around 30 years, and for many tech writers, IT professionals, programmers and even the guy who created “Minecraft,” it’s still the standard to which all other keyboards are measured. The Verge has an extensive piece exploring the Model M’s history and enduring popularity.

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