The Future of Travel
Question: Is space tourism a possibility over the next 25 to 50 years?
Frank: We have now I mean there is actually if you are like a zillionaire you can take a trip to outer space and then to be international space station and there also all these sort of several little flights you can take, it’s to the tune of $35 million an hour, so it is not a mass industry at this point, it is kind of a niche. Yeah, I think we will almost sure of 25 years out of may be a little bit longer and Richard Branson is doing some of the amazing things it is going to be a big better on it. I think the appeal is there I think it is going to become it is going to be a pretty rarified group of people who get them do it, but it is such a nifty idea to be floating above the earth, and seeing the curvature of the earth and seeing stars above you, kind of I mostly do that.
Question: What formerly dangerous locales will soon be popular for traveling?
Frank: I think more of the middle east absolutely and places like Oman and Yemen, Oman has been pretty stable for a long time but Yemen has been a little less stable I think that is going to come up I think Iran is an emerging destination and our political relationship with Iran is terrible right now but there are lot of Europeans going there, a lot of other Asians going there and it is magnificent country with a lot to offer. Same with Pakistan I won’t to go to Pakistan right now, that seems too edgy and volatile but I think as hopefully as things stabilize and situations in proof there and there are some fantastic things to see that I think Americans would be interested in seeing.
Peter Frank forecasts the next big wave in travel.
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It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.
In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.
Image from the study.
As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.
Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.
"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.
It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.
Image by authors of the study.
Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.
The study's authors will keep working on this in the meantime.
“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."
It's one of the most consistent patterns in the unviverse. What causes it?
- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
- Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
- Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.
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