Discuss The Knowledge

The thread started by lizorna on 2014/03/18, and continued by phred with his interesting observation inspired this thought ... Given existing 3D printer technology, which includes models available for home purchase and operation, we see a successful implementation of a single threaded extruded plast...

In discussion with a friend in another forum, the subject of entrepreneurship came up. The friend likened entrepreneurship to the lottery, and I can certainly understand that point of view. However, I see entrepreneurship as a team effort which is a process that gathers momentum over time as the par...

With the Space Show interview of Dr. Dartnell of August 15, 2015 as a starting point: Designer Planet A planet designed from the outset to provide: Earth normal gravity Atmosphere of Oxygen and Nitrogen with trace gases Earth normal protection from galactic and local radiation Magnetic field to supp...

Dr. Dartnell was asked about Mars One during his one hour interview on The Space Show for August 15th. The point of view I came away with is the (relative) difficulty of creating a civilization on Mars compared to doing so even on a devastated Earth. Dr. Dartnell emphasized more than once how much b...

For germanforestgump and anyone interested in the comet mission: Begin Quotation from The Space Show newsletter: 3. Friday, August 28, 2015, 9:30-11 AM PDT (12:30-2 PM EDT, 11:30 AM - 1 PM CDT): We welcome DR. JENS BIELE of the German Space Agency to the show. Among the topics we will be discussing ...

For germanforestgump and anyone interested in the comet mission: Begin Quotation from The Space Show newsletter: 3. Friday, August 28, 2015, 9:30-11 AM PDT (12:30-2 PM EDT, 11:30 AM - 1 PM CDT): We welcome DR. JENS BIELE of the German Space Agency to the show. Among the topics we will be discussing ...

As a follow up to the theme of continent scale energy collection and storage, hydrogen is an attractive alternative to high capacity transmission lines for a variety of reasons. The "long awaited" "Hydrogen Economy" depends upon a continental scale supply of hydrogen. The gas can...

For maurice goldsmith and germanforestgump ... Thank you both for adding Africa and Chile as locations suitable for salt water energy storage. The Northern Africa location has the advantage of (relative) proximity to Europe. Combining solar power energy collection with water storage would yield a ca...

As a follow up to the idea that salt water could serve as a working fluid for energy storage, I asked Mr. Google to show me mountains next to oceans The first citation was for the Northwest part of the North American continent. https://en.wikipedia.org/wiki/Coast_Mountains As it happens, the mountai...

An article by Ivan Penn recently appeared in the online space. The topic is a fresh water hydraulic storage system built late last century in California, to serve as a backup for the statewide energy supplier. The storage system worked well, but it's value is now in question because of the sustained...