Design News | Slideshow: The Wild World of Concept Cars | News links

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Since their invention by the auto industry in the late 1930s, concept cars have afforded engineers and designers an opportunity to let their imaginations run free. more>

via Design News | Slideshow: The Wild World of Concept Cars | News links.

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The Postal Service Wants to Deliver Your Groceries Each Morning | GovExec.com


In the operational testing phase in San Francisco, USPS averaged 160 totes per day at the 38 eligible ZIP codes.

USPS asked its regulators for special permission to allow revenues to exceed $10 million annually,

but said it has “taken steps to ensure” revenues do not surpass $50 million.

via The Postal Service Wants to Deliver Your Groceries Each Morning – Management – GovExec.com.

Future of energy storage | MIT News Office

Unlike conventional rechargeable batteries, redox flow batteries store energy in solutions of electroactive compounds, which are housed in external tanks and pumped to an electricity generating reactor.

This system offers advantages in scalability, manufacturing, service life, and safety.

The chemicals can be stored in a tank as big as a water heater for home use, or as massive as a supercenter for powering an entire community.

via Future of energy storage | MIT News Office.