On Jun 25, 2:15 am, Artemisia <e.rose...@free.fr> wrote: Here's an article, in French, in today's Le Figaro about the first anniversary of the introduction of the Vélib free public bicycle scheme and its successes and costs. The upshot is, Velib brings in big money to the City of Paris, but is extremely costly to JCDecaux, the advertizing firm that is under contract to supply and
"Space, Vacuum, and the Aether" In the 19th century space was understood to be a geometric construct which was filled with a substance called the Aether and that allowed for the propagation of electromagnetic energy by virtue of its observed properties. "Empty" space has a dielectric constant, a magnetic permeability and a characteristic impedance of 300 ohms. It was the dielectric
"Space, Vacuum, and the Aether" In the 19th century space was understood to be a geometric construct which was filled with a substance called the Aether and that allowed for the propagation of electromagnetic energy by virtue of its observed properties. "Empty" space has a dielectric constant, a magnetic permeability and a characteristic impedance of 300 ohms. It was the dielectric
On Apr 23, 3:33 pm, "tubby Tanner" <tub...@optusnet.com.au> wrote: "Eldon" <EldonB...@aol.com> wrote in message news:f8846112-eb5f-4a6b-8a40-480d61ad18d1@34g2000hsh.googlegroups.com... On Apr 23, 10:21 am, "tubby Tanner" <tub...@optusnet.com.au> wrote: "Eldon" <EldonB...@aol.com> wrote in message news:4b5b35f9-8ffb-4948-8d3c-675682f7c7e6@m44g2000hsc.googlegroups
On Apr 23, 10:21 am, "tubby Tanner" <tub...@optusnet.com.au> wrote: "Eldon" <EldonB...@aol.com> wrote in message news:4b5b35f9-8ffb-4948-8d3c-675682f7c7e6@m44g2000hsc.googlegroups.com... On Apr 22, 4:29 pm, "Tex" <ritter_...@yahoo.com> wrote: "Eldon" <EldonB...@aol.com> wrote in message news:713c8786-67fa-4dfa-9f00-55bf90ca5319@s50g2000hsb.googlegroups.com...