TVA may restart construction of Bellefonte 1 and 2, two unfinished nuclear reactors

The Tennessee Valley Authority (TVA) is requesting that the US Nuclear Regulatory Commission (NRC) reinstates the construction permits for two unfinished reactors at its Bellefonte site in Alabama. It continues to pursue regulatory approval for two further units at the site. Bellefonte 1 (1213 MWe, 88% complete) and 2 (1213 MWe, 50% complete) are pressurized …

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Inflatable electric cars could be cheap, safe and have long range

Inflatable electric cars could have 2500 mile range using a single hot-swap XPack Multi-CoreTM Battery/Fuel Cell power plant. You would use the battery/fuel cell and then it would be changed out when you needed to “refuel/recharge”. It will take until at least 2010 for the cars to be fully certified and placed into high volume …

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A review my favorite space launch and propulsion systems

Accelerating future had reviewed systems for getting into space in 2006 I had covered the EM drive but is definitely one of the long shots with a lot of unknowns in the science (ie. I seriously doubt that it will work). My preferences are for: Bussard IEC fusion earth to orbit spaceship. Credit: Tom Ligon …

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Submarine acoustic invisibility

Submarines could be made less visible to sonar using metamaterials There are still many challenges to overcome including the variability of the surrounding water and enabling lack of sonar reflection from more than one direction (ie another submarine at the same depth unable to detect but one above or below could) Brian WangBrian Wang is …

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