Today In Science 01/18/17

Solar cells
In 1994, the U.S. Department of Energy announced production of solar panels giving nearly twice the efficiency of existing panels. Made by United Solar Systems of Troy, Mich., these amorphous silicon submodule (1 ft2) panels converted 10.2% of solar energy into electricity, as compared to 6% previously possible. This was possible by using new thin-film photovoltaic technology. The company has subsequently produced flexible solar shingles based on thin film photovoltaics that can permit the roofs of ordinary commercial and residential buildings to evolve from simply providing protection from the weather to becoming a source of much-needed electric power

Legionnaire’s disease
Thumbnail – Legionnaire’s disease
(source)
In 1977, scientists at the Centers for Disease Control (CDC) in Atlanta, Georgia, USA, first announced* that they had sufficient laboratory evidence to implicate a bacterium as the cause of Legionnaire’s Disease, now named Legionella pneumophila. An outbreak of this disease in Philadelphia in 1976, largely among people attending a state convention of the American Legion, led to the name “Legionnaires’ Disease.” After the bacterium causing the illness was named, the name of the illness was changed to legionellosis. The scientific paper describing the isolation of the bacterium as published 1 Dec 1977 in The New England Journal of Medicine. [Image: Legionella pneumophila multiplying inside a cultured human lung fibroblast. Multiple intracellular bacilli, including dividing bacilli, are visible in longitudinal and cross section. Transmission electron micrograph.]

Credit to todayinsci.com

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s