Scientific American has an explainer that breaks down how BART officials killed the transit system's base stations, disabling various cellphone services in an attempt to thwart planned protests. For about three hours on one day, transit riders were blocked from calling 911, making voice calls, accessing the internet or using any mobile data services.
The government-run public train authority did not, as some mis-reported, "shut off cell towers."
BART's wireless service is provided by a company called WiFi Rail. According to its web site, the WiFi Rail network utilizes a backbone of fiber-optic cables that run throughout the underground transit system. These connect a network of wireless access points, routers and switches. Because BART privately owns and operates this underground network, BART officials have the power to switch it off.
Read: How Did BART Kill Cellphone Service?: Scientific American.
I asked Amy Parness, the co-founder of Sparkle Labs, maker of fantastic educational electronics kits, to write a Medium post about gender and the business of being a maker business person. Her terrific essay calls out the problems with “pink girly engineering kits.” From Medium:
Zero UI is the new term for “invisible interfaces”—what happens in the future when all the clicking and tapping and typing is history: “If you look at the history of computing, starting with the jacquard loom in 1801, humans have always had to interact with machines in a really abstract, complex way.” [Fast Company]
CEO Dick Costolo will resign, to be replaced in the interim by Jack Dorsey
The Lytro Illum dares to be different, boasting even more robust features than its first generation predecessor and a sleek design reminiscent of professional DSLRs. What’s so cool about it? Most cameras capture the position of light rays, producing a statoc 2D image.
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