Dishwasher-Size, 25kW Fuel Cell In Development

mcgrew writes “Forbes has an article about a new type of fuel cell that is 90% less costly than current cells at one tenth the size (making it the size of a dishwasher), with far higher efficiency than current cells. It runs at only 149 degrees Celsius (300F) . It was jointly developed by Diverse Energy and the University of Maryland. ‘The first-generation Cube runs off natural gas, but it can generate power from a variety of fuel sources, including propane, gasoline, biofuel and hydrogen. The system is a highly efficient, clean technology, emitting negligible pollutants and much less carbon dioxide than conventional energy sources. It uses fuel far more efficiently than an internal combustion engine, and can run at an 80 percent efficiency when used to provide both heat and power.’ It produces enough power to run a moderate-sized grocery store, or five homes. A smaller, home-sized unit is on the way. Is the municipal power plant on the way out?” Read more of this story at Slashdot.

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Dishwasher-Size, 25kW Fuel Cell In Development

The Prettiest Way to Find Out What iOS 7 Features Your iPhone Won’t Get

iOS 7 looks lovely, but it’s not all about appearances; the new operating system is bringing some nice new features as well. But even if you get the upgrade, you might not get all the fun stuff that comes with it . Read more…        

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The Prettiest Way to Find Out What iOS 7 Features Your iPhone Won’t Get

The Evolution of Gmail, Visualized

On April Fools Day 2004, Google launched Gmail, and it wasn’t long before @gmail.com email addresses usurped the kingdom of Hotmail. Google just posted a nice visualization of the service’s evolution from a humble beta to a Google Goliath. More »        

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The Evolution of Gmail, Visualized

Why Aren’t Telephone Towers This Beautiful Anymore?

You’re looking at what was once the main junction for telephone connections in Stockholm. See all the wires? That’s because it was used for around 5,000 phone lines—literal lines—from 1887-1913. More »

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Why Aren’t Telephone Towers This Beautiful Anymore?

Samba 4.0 Released: the First Free Software Active Directory Compatible Server

Jeremy Allison – Sam writes “We released Samba 4.0 today, containing the first compatible Free Software implementation of Microsoft’s Active Directory protocols. ‘Samba 4.0 comprises an LDAP directory server, Heimdal Kerberos authentication server, a secure Dynamic DNS server, and implementations of all necessary remote procedure calls for Active Directory. Samba 4.0 provides everything needed to serve as an Active Directory Compatible Domain Controller for all versions of Microsoft Windows clients currently supported by Microsoft, including the recently released Windows 8. The Samba 4.0 Active Directory Compatible Server provides support for features such as Group Policy, Roaming Profiles, Windows Administration tools and integrates with Microsoft Exchange and Free Software compatible services such as OpenChange.'” Full release notes are available, and you grab the files from the download page. Read more of this story at Slashdot.

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Samba 4.0 Released: the First Free Software Active Directory Compatible Server