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> Well, the thing about a black hole - its main distinguishing feature - is it's black. And the thing about space, the colour of space, your basic space colour, is black. So how are you supposed to see them?

Given that there may several exaquintrillion tonnes of asteroids, planetesimals, rocky planets gas giants, black, brown and red dwarves and even reasonably large stars, roaming around that we are only just beginning to be able to see, a large amount of dark matter may well turn out to be regular matter, just very hard to see.

Gene expression changes even when you exercise, so I imagine they would be fairly dissimilar, even genetically, unless they had identical lives.

Stuff that is risky, cheap, and has big payoffs has already been done for the most part.

The past twenty years of the internet are a huge counterexample. Even in the relatively staid world of particle accelerators, we are finding substantial room for improvement.

One possible solution is that our wormholes (if they exist) are actually "pre big bang events" for a whole new universe inside the wormhole, and that they actually contain an infinite volume. "White hole" stage happens at the big bang inside, and any subsequent mass energy that falls in from our side just becomes dark energy on their side, distributed everywhere.

It would be interesting to try to plot out how causality works over the bridge.

the way I envision it though (which is almost certainly wrong), is that time is more confined (slower) near the bridge, but becomes less confined (faster) as the space on the other side expands in volume. (Speed is measured as 'planc seconds against unit of spacetime traversed by photon in vacuum' EG, near the bridge, photons appear to travel more slowly, where away from the bridge, they appear to travel more quickly. The actual energy of the photon has not changed, but the ratio between space and time has changed. There is more 'time' near the bridge than there is space, and vise versa further away.)
Any particular "moment" can be seen as a topological point on the 'surface' of the wormhole.

(See for instance this image of the standard inflation model of our universe.)

http://scitechdaily.com/images...

If you cross your eyes when you look at it, the model resembles a white hole, where the "hole" is the big bang, the energy was delivered "all at once", and what we percieve as time is just a manifestation of the energy delivered. (it would explain why time runs only in one direciton, and a number of other interesting things. it could theoretically explain dark energy, etc.)

Another interesting tidbit: Supermassive objects like sagitarius A have a hard time "feeding". This may account for the inflationary curvature of our own universe if you, again, cross your eyes when you look at it.

EG, early in the universe, mass energy from the higher up one was spilling into ours. (their "hole" was feeding), but as it grew in intensity, the curvature on their end made such feeding more difficult, and the rate of influx slowed sharply-- ending the rapid expansion period.

If that's the case, then some corollary math should add up against observational metrics against black hole feeding on our side, and may give some interesting insights.

http://phys.org/news140370694....

Can any of the more physics-head types see if there is a correlation between the estimated energy of the universe at the end of the hyper-expansionary epoch, and the event horizon size of these super massive black holes that can no longer feed?

The paper battery is a reality now, the graphene battery is coming.

A Hybrid paper/graphene/super capacitor is where I think this is headed.

When it happens it will revolutionize battery tech, and likely cars.

http://en.wikipedia.org/wiki/P...

http://scitechdaily.com/scient...

16 second charge time anyone ???

http://gizmodo.com/these-new-g...

The world is about to change in a way that will be a black swan for the fossil fuel industry.

Go back and study the last big U.S. East Coast outage. This is a huge issue. Instead of twenty or thirty sources to synchronize there will be many thousands. It is not a solved problem and is an area of active research.

http://phys.org/news/2013-02-power-grid-synchronization-enable-smart.html

http://scitechdaily.com/synchronization-in-a-decentralized-power-grid/

The arm itself was developed by the robotics and mechatronics department of German Aerospace Center (DLR) as explained by this article. The extremtech article fails to mention that.

http://www.scitechdaily.com/

This site links to a huge cornucopia of science articles. Check it out.

There is a similar site for arts: Arts & Letters Daily at http://www.aldaily.com/

Poor form to reply to myself, but the ALDaily sister site - Science and Technology Daily - is always worth a look too.