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Athanasia Nikolaou

Silk protein and chloroplasts for the synthetic leaf - 2 views

www.iflscience.com/...synthetic-leaf-produces-oxygen

BIO science engineering silk

shared by Athanasia Nikolaou on 05 Aug 14 - No Cached
  • Athanasia Nikolaou on 05 Aug 14
     
    Royal College of Art's Innovation Design Engineering course in collaboration with Tufts University silk lab. Not as good as it sounds as it does not fully mimic the photosynthesis equation (spare C, H atoms)
  • Thijs Versloot on 06 Aug 14
     
    Interesting stuff and I guess it does not need to fully mimic photosynthesis in the end. As long as oxygen can be produced from CO2 and water that would be great enough. Though the carbon has to be deposited somewhere (in some form) and I wonder how one could extract this efficiently. Maybe it can even serve some purpose (as the sugars are doing for the plant)
LeopoldS

A way forward to solve the hard problem of consciousness - 5 views

www.theguardian.com/...lve-hard-problem-consciousness

AI consciousness

shared by LeopoldS on 30 Jan 15 - No Cached
  • LeopoldS on 30 Jan 15
     
    enjoy ....
  • Athanasia Nikolaou on 30 Jan 15
     
    ok, but if we first have to define consciousness before starting dealing with any physics, isn't a large pause looming ahead, proposed by the author?
  • Paul N on 31 Jan 15
     
    I kind of subscribe to Tononi's information theory approach to consciousness: http://www.biolbull.org/content/215/3/216.full And of course the watered down wikipedia version for whoever lacks the patience to read the whole treatise http://en.wikipedia.org/wiki/Integrated_information_theory
annaheffernan

Highly accurate quantum accelerometers - 5 views

physicsworld.com/...eing-built-for-navy-submarines

shared by annaheffernan on 04 Jun 14 - No Cached
LeopoldS liked it
  • annaheffernan on 04 Jun 14
     
    Their accuracy is orders of magnitude better than what is currently being used, however at the moment, it sounds like quite a large setup -> they're working on getting it down to 1m^3 :o, still any gravity mapping instruments could benefit from these in the future.
  • Thijs Versloot on 05 Jun 14
     
    Actually GPS is much more accurate, but as it doesnt work under water, the only alternative (without building an underwater GPS equivalent using probes) is to use cumulative accelerometer data. But as this is prone to drifting over time, quantum systems like this can help improving the accuracy significantly.
  • annaheffernan on 13 Jun 14
     
    Very true :). I was thinking though when you want to remove 'noise' from any gravity mapping experiment, highly accurate accelerometers are required, like those used in GOCE.
annaheffernan

Mining the moon - 1 views

physicsworld.com/...one-step-from-earth

space FUN science NRG

shared by annaheffernan on 18 Feb 15 - No Cached
  • annaheffernan on 18 Feb 15
     
    Mining the moon - now we know that the Moon's poles hold millions of tonnes of water ice, firms in the US as well as the Indian and Chinese space agencies are planning to mine this resource and sell it to space missions as fuel.
Alexander Wittig

The Effort to Turn Martian Soil Into Rock Solid Concrete - 4 views

www.popularmechanics.com/...mars-soil-concrete

technology

shared by Alexander Wittig on 12 Jan 16 - No Cached
  • Alexander Wittig on 12 Jan 16
     
    Sounds like an interesting building material. Unlike concrete, after use it can simply be molten down (at seemingly reasonable temperatures) and used again to build different parts. Crack in the wall? Just iron it out (literally)! A group at Northwestern University wants to solve an engineering challenge now to prepare for the future: it's turning Mars-like soil into concrete. And, in turn, that concrete requires very little (if any) water. It's just the thing we may need to make life on Mars sustainable.
Luís F. Simões

Nature's special issue on Interdisciplinarity - 2 views

www.nature.com/...interdisciplinarity-1.18295

nature science collaboration

shared by Luís F. Simões on 06 Oct 15 - No Cached
  • Nature’s special issue probes how scientists and social scientists are coming together to solve the grand challenges of energy, food, water, climate and health. This special scrutinizes the data on interdisciplinary work and looks at its history, meaning and funding. A case study and a reappraisal of the Victorian explorer Richard Francis Burton explore the rewards of breaking down boundaries. Meanwhile, a sustainability institute shares its principles for researchers who work across disciplines. Thus inspired, we invite readers to test their polymathy in our lighthearted quiz.
Thijs Versloot

CO2 capture from humid gases - 0 views

www.sciencemag.org/...302.full

technology science climate CO2

shared by Thijs Versloot on 03 Dec 15 - No Cached
LeopoldS liked it
  • Thijs Versloot on 03 Dec 15
     
    Researchers have managed to create a materials that can extract CO2 from a humid environment, which was up to now not possible due to water blocking the absorption. With this hurdle taken, it may be possible to extract CO2 in large quantities from the atmopshere. This would then either be stored or possible even processed with H2 to form carbohydrates. Marsian atmosphere?
jaihobah

The innovation turning desert sand into farmland - 1 views

www.bbc.com/...business-43962688

Chem science BIO

shared by jaihobah on 04 May 18 - No Cached
  • jaihobah on 04 May 18
     
    Norwegian scientist Kristian Morten Olesen has patented a process to mix nano-particles of clay with water and bind them to sand particles to condition desert soil - he has been working on Liquid Nanoclay (LNC) since 2005.
  • Dario Izzo on 04 May 18
     
    The news here that some patent has been filed. If it actually works the guy is an ass for wanting to patent something that is solving world hunger. If it does not, then the guy is still an ass. So the news is that this guy is an ass :)
  • jaihobah on 04 May 18
     
    Agreed :) But, if it does work I doubt the guy will be able to enforce the patent in most of the countries where this will be helpful.
jaihobah

'Cyborg' bacteria deliver green fuel source from sunlight - BBC News - 0 views

www.bbc.com/...science-environment-40975719

NAN BIO

shared by jaihobah on 24 Aug 17 - No Cached
  • jaihobah on 24 Aug 17
     
    Scientists have created bacteria covered in tiny semiconductors that generate a potential fuel source from sunlight, carbon dioxide and water
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