Visiting Nikola Tesla in Belgrade

I’m going to visit Nikola Tesla in Belgrade, Serbia. Last month I mentioned that my originally planned trip to Machu Picchu had hit a snag and that an opportunity to see the Tesla Museum in Belgrade had popped up. After examining the options I decided on Serbia for this July. [A bigger and better trip to Machu Picchu with my friend from Argentina will be done in 2017]

This particular Serbia trip was too good to pass up. Organized by famed Eurocircle travel guru Sherry Kumar in conjunction with an international Tesla Conference , the trip will take us to three countries and a cocktail party with royalty.

HRH Prince Alexander and HRH Princess Katherine

Yup, royalty. After a day of touring around Belgrade we’ll change into formal attire for an evening reception at the Royal Palace with HRH Prince Alexander and HRH Princess Katherine of Serbia. We’ll also get a tour of the royal palace.

While in Belgrade we’ll also visit the Nikola Tesla Museum, whose director I met here in the U.S. some time ago. Since I didn’t have a chance to visit the Museum itself prior to publishing my book, Tesla: The Wizard of Electricity, I’m eager for this chance. We’ll even have dinner in the Bohemian quarter.

Kotor

After Belgrade we’ll head to Montenegro, where we’ll have a chance to see the historic environs of Tivat and the island of Sveti Stefan on the Adriatic Sea, plus travel to see Kotor (photo above), Cetinje, and Lovcen. If that wasn’t enough, we’ll check out the Blue Cave.

The last few days will be spent in famed Dubrovnik, Croatia.

I’ll have a lot more information before and after the trip, which we’ll do in July, but to give you a feel for what we’ll see, check out these cool videos.

It should be an exciting trip. We still have to work out flights into Belgrade and out of Dubrovnik, but the deposit is down and we’re committed to visiting a part of the world I haven’t seen yet.

So who is coming with me?

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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[Photo of HRH Prince Alexander and HRH Princess Katherine by By Holger Motzkau 2010, Wikipedia/Wikimedia Commons (cc-by-sa-3.0)]

5 Things You Didn’t Know About Thomas Edison (and yes, Tesla)

Thomas EdisonEveryone knows everything there is to know about Thomas Edison, right? Not so fast. While writing my book on Nikola Tesla I found tons of unknowns about him (see 5 Things You Didn’t Know about Nikola Tesla), and now that I’ve written a book on Thomas Edison I’ve discovered so much about him that likely you didn’t know. Here’s a sample:

  1. Edison was mostly deaf: Edison started losing his hearing at an early age, probably around the time he was working on the railroads as a news butch. The exact cause is a mystery (even Edison had two different versions), but he says it allowed him to ignore the chitchat of people around him and focus on his work.
  2. He had two wives: And six kids. No, he wasn’t a bigamist. His first wife died very young after they had three children, then he married another young woman who gave him three more. Since he often worked 20 hour days and slept on a lab bench, it’s a wonder he found the time for intimacy at all.
  3. His biggest achievement was also his greatest failure: Edison had cornered the market on electricity distribution. He was wiring up New York City from his Pearl Street Power Plant and putting electric lights into the houses of the richest of the rich. Unfortunately it was all DC power and when Nikola Tesla and George Westinghouse came along with AC power, well, Edison lost the war of the currents and got tossed from the company he started (we know it today as General Electric).
  4. He invented concrete houses: After 10 years trying to make a go of mining low grade iron ore, Edison turned to making houses out of concrete. The whole thing – including bathtubs, sinks, and stairs – could be built by pouring concrete into prebuilt molds. If you look hard enough, you might find one still standing.
  5. Edison was an avid writer: For a man who was tossed out of elementary school because he was “addled,” Edison became both an avid reader and writer. He wrote (and published) a mobile newspaper as a teenager, wrote technical articles, and started a textbook on telegraphy. But his most mysterious writing was a science fiction novel. Yes, complete with Amazons and Antarctic expeditions, and of course, strange ethereal electrical forces.

There is much more about Edison that most people would find surprising, and I cover them all in my new book coming out July 2016 from Fall River Press, Edison: The Inventor of the Modern World. I’ll share the cover design with you all soon.

And if you’re interested in Nikola Tesla, check out this comparison: Edison vs Tesla: Two Very Different Men of Invention.

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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The Hot and the Cold Climate of Tenerife

You might guess that Tenerife would be a warm place given that it is part of the Canary Island group sitting off the southernmost coast of Morocco in the eastern Atlantic Ocean. And you would be right, but not completely right. Tenerife is approximately the same latitude as Orlando, Florida, but unlike Orlando, the island goes from sea level to 12,198 feet in altitude.

A few years ago I experienced both extremes within a matter of hours on the same day. After barely escaping Brussels in a snowstorm and spending a sub-freezing Christmas eve in Madrid, I arrived in Tenerife North Airport (site of the worst airline disaster in history, the 1977 runway collision between two 747s that killed 583 people). Luckily, no drama for my arrival.

cactus

 

The initial wave of high heat and humidity was a welcome change from the dreary winter I had left behind. There were many cacti, but also a wide variety of subtropical trees and plants. Loro Parque, a combination zoo, aquarium, and botanical garden, was like walking into a jungle and reef all in one. As the name suggests, the parrot collection alone is the largest in the world. The number of orchids was astounding, as I talked about in this earlier post. We even met a gorilla.

gorilla

After building up a good sweat, it was time to head to the highlands. More specifically, it was time to drive up the winding roads to the summit of El Teide in Teide National Park. This snow-capped volcano is the highest point in all of Spain (the Canary Islands are Spanish possessions), not to mention the highest in all the Atlantic Ocean islands and the third largest volcano in the world.

El Teide, Tenerife

The twisting roads for this trip are a topic deserving of their own post, but eventually you get to a spot where you can park and board a cable car up to just below the summit, at 11,663 feet. From there you can hike to the top, though on the day we were there the snow and ice was considered too dangerous and park officials banned hikers for the last section. The views were amazing, as was the cold.

From there we wound our way back down and continued our drive around the island. From heat and humid to cold and ice and now back to the rocky beaches. Definitely a day to remember.

Tenerife

Of course, that was just the beginning. I’ll have more on the science of Tenerife, and even some parasailing, in future installments.

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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Machu Picchu, or, Serbia? That is the Question

It seems I have to make a choice. The plan was to go to Machu Picchu in the Peruvian Andes in May. I even wrote a post last month, Preparing for Machu Picchu, in which I compared the area to a previous trip I made to the Argentinian Andes.

Machu Picchu

I admit I’ve been lax in following through on those preparations, some of which must be made sufficiently in advance to ensure getting in the queue. May is getting very close and arrangements are still not set.

And now a complication. The Tesla Science Foundation is planning a conference for July in Belgrade, Serbia. Attached to the conference is a 9-day trip that includes Belgrade (with a private reception with the reigning Prince and Princess), Montenegro, and Dubrovnik. I’ve always wanted to get to Serbia, and especially to the Nikola Tesla Museum in Belgrade, a place that I’ve held dear since the release of my book, Tesla: The Wizard of Electricity.

Nikola Tesla Museum, Belgrade

Logistically I can’t do both this year. Which sets up a choice. Given my dearth of organization for Peru I’m thinking that trip might best be put off until next year, and with the extra time to prepare, possibly expanded to include Lake Titicaca, northern Argentina, and Iguazu Falls. The Serbian trip would take less preparation on my part because it’s being planned by a highly skilled tour planner that also just happens to be a key player in the Tesla Science Foundation.

So this week is the time to decide all of this. I’ll let you know what happens.

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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Catching Up – Around the Blogs in 30 Days

Only one major bit of science traveling so far this year (more on that below), but it’s been a busy period nonetheless. Here’s a quick catch up around the blogs.

That time in the videoHot White Snow: My more “creative” writing, responses to writing prompts, some memoir-ish works, and articles “On Writing.”

Recent “On Writing” posts include “That Time in the Video” and “On Writing Science…and Fiction.” Writing prompt responses include “World’s Best Widget, Part Deux,” and “Falling Upward.” This latter post is joined by “You Have More Shrimp Than Me” as efforts in memoir.

Ten hottest yearsThe Dake Page focuses on communicating science to the general populace, with a sometimes emphasis on climate change. Recent articles look at the recent decision by the Supreme Court to issue a stay on implementation of President Obama’s Clean Power Plan, and then a few days later the ramifications of Justice Scalia’s sudden death. This “judicial” (i.e., political) debate goes on while the science shows 2015 to have totally obliterated the previous heat record, and with January doing the same to begin 2016. I also looked at El Nino and the difference between trend and variation, two concepts that climate deniers commonly (and intentionally) mix up.

St. Maarten landingScience Traveler: Here on my author website I focus on my non-fiction works (Tesla, Edison, Lincoln), plus tips and tales about traveling the world. Several recent posts covered my sailing cruise in the Caribbean, including the land of frigate birds and “the most interesting airport landing in the world.

Science Traveler is not just about physical travel, it’s about travel in time. Travel-related book reviews include “The Man Who Loved China” and “Turn Right at Machu Picchu.” I also participated in several events around Lincoln’s birthday, including traveling back to 1922 for the dedication of the Lincoln Memorial with this year’s wreath laying ceremony.

Not to be outdone, Thomas Edison makes an appearance with this preview of my new book scheduled for release in July – Edison: The Inventor of the Modern World.

Meanwhile, I’m writing sample chapters for my newest project, this one on Abraham Lincoln. Now, back to work.

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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Barbuda – The Flat Land of Frigates

On my recent sailing cruise to the Caribbean I spent time on seven islands, six of which have volcanic origins and have mountainous geographies. Barbuda is the exception. The first feature that makes it stand out from the rest is that it is flat. So flat that the one tiny point on it that stands 125 feet above sea level is called the “highlands.”

Barbuda

Part of the twin-island country of Antigua and Barbuda, there isn’t much to see beyond its flatness. Only about 1600 people live here, with at least two-thirds of those living in the main town of Codrington, named after the former slave owners who maintained a “slave nursery” in the 1700 (slavery was finally outlawed in 1834). Tourists who wander here in small ships can view the Martello Tower, all that remains of an old fort, and stroll on the miles of pink sand beach.

But we were here for the frigate birds.

Frigate birds Barbuda

Frigate birds Barbuda

Barbuda hosts one of the most accessible frigate bird sanctuaries in the world. Speed boating across the flat lagoon from Codrington gets you to a low-lying area inhabited by over 5000 frigate birds. As you approach, hundreds of these huge birds – wingspans can reach up to 7 feet or more – fill the skies.

So many birds that they crowd the available branches.

Unlike most seabirds, frigates don’t ever land in the sea. With the largest wing-area-to-body-weight ratio of any bird, along with the characteristic “W” shape of their wingspread and long forked tails, they can remain aloft for hours. With only minimal oil produced to protect their feathers from getting waterlogged, they aren’t built for swimming. Even walking is problematic, which is why they flop down into the nearest low branches when they need to rest. The reduced webbing on their feet frees up the end of their toes, just enough to hang on to the branches.

As the photos show, the females are larger than the males and have whiter underbellies. Juveniles remain all white for some time, taking up to eight to eleven years to reach sexual maturity. Males are all black but have the most distinct feature – a red gular pouch.

Frigate birds Barbuda

The brilliantly scarlet throat pouch can be inflated by the male to attract females during the mating season, which is pretty much all year long. Once inflated it takes a while to deflate, so you’ll see a lot of red pouches even when the male is finished his display. Most often the males sit in the branches, turn their beaks skyward, and vibrate their bills to make a drumming sound in an effort to lure the females flying overhead. If startled, the males may fly off with their pouches still inflated. Females do the choosing of mate, signifying her choice by engaging in mutual “head-snaking” and allowing the male to take her bill in his. Females lay only one egg at a time and both parents take turns incubating it for up to 55 days, after which they feed the young for many months (though the male usually becomes bored after about 3 months and wanders off). Because young frigates take so long to mature, females may breed only once every two years.

As I made my way back to the ship I couldn’t help wondering what impacts climate change would have on Barbuda in all its flatness. The Union of Concerned Scientists suggests that Barbuda is in grave danger from rising sea levels and ocean acidification. Estimate sea level increase of between 2.6 to 6.6 feet would swamp this tiny island, while changes in weather patterns could decrease the availability of fresh water and enhance the extremity of the periodic hurricanes that plague these islands. Clearly there is a dire need to take action.

Future impacts on the frigate bird sanctuary are unclear. The particular species seen on Barbuda is Fregata magnificens, the Magificent Frigatebird. It would be a shame to see such magnificence perish from the earth.

David J. Kent is an avid science traveler and the author of Lincoln: The Man Who Saved America, now available. His previous books include Tesla: The Wizard of Electricity and Edison: The Inventor of the Modern World (both Fall River Press). He has also written two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate.

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Book Review – The Immortal Life of Henrietta Lacks by Rebecca Skloot

Henrietta LacksThe Immortal Life of Henrietta Lacks, by Rebecca Skloot

This is the story of Henrietta Lacks, her HeLa cells, and her family’s struggle to learn about their long dead mother. It’s also a detective story, a story of medical conduct, a story of Jim Crow, a story of modern and historical psychology, a story of ethics, and a story of religious faith. It is even a love story. It is all of these things, and Rebecca Skloot has successfully merged them into one of the most fascinating books I’ve read in many years.

Until recently few knew about Henrietta Lacks the person, though cell culture researchers have known of the HeLa cell line for many decades. Taken from the cervical cancer that killed Henrietta in 1951, HeLa cells have become immortal, living in test tubes and freezers in the billions even now, more than 60 years after Henrietta’s death. Growing like the cancer they derived from, HeLa cells have been used to develop treatments for many diseases, but also have contaminated virtually ever other cell line that has been attempted. This book traces the history of the cells, their benefits, and the ethical questions that arose because of their use without the knowledge of anyone in Henrietta’s family.

But even more than that, this is a book about the struggle of Henrietta’s descendants to learn about the mother they never knew. A poor African-American family that has gone through many trials must now take on the trials of seeking out answers. At times breathtakingly sad, the story can at other times have you cheering for Henrietta’s youngest daughter Deborah and her extended family.

I highly recommend this book. Scientists will find the medical story captivating, both for the thrill of its discoveries and the questions raised about informed consent. Non-scientists should also be enthralled with the medical story, but will also see the broader questions of segregation, poverty, family, religious belief, and the sometimes expansive divide between scientists and the public.

Skloot’s writing is stellar. She easily conveys the medical and technical material in language everyone can understand. She is equally adept in communicating the depth of emotion and confusion and anger of Henrietta’s family.

Other Book Reviews

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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Celebrating Presidents Day/Abraham Lincoln’s Birthday

Sometimes science traveling means traveling back in time rather than place. This past Friday I was transported back to 1922, the year the Lincoln Memorial was dedicated. We had gathered to commemorate the 207th birthday of our 16th president, Abraham Lincoln. Several organizations were present to lay wreaths, including the Lincoln Group of DC, whom I was representing.

Lincoln Memorial wreaths

The Memorial is styled as a Greek temple and made of Yule marble shipped in from Colorado. I discovered something about the science of marble during the event – it’s cold. Temperatures were in the zero degree (Fahrenheit) area, and the physics of metal chairs conducting the cold from the marble floors as wind swirled around us was noticeably emphatic.

Despite the cold there were many visitors gazing in awe up at the 19-foot tall, seated statue of Lincoln. Quickly noticed are the Gettysburg Address and 2nd Inaugural Address etched into the side walls and the epitaph over Lincoln’s head. More observant visitors would notice the 36 Doric columns surrounding the Memorial, one for each of the states that comprised the Union at the time of Lincoln’s death. The names of the states and their date of statehood are engraved over the colonnade.

Easily overlooked, but not to be missed, is the inscription on the steps where Martin Luther King, Jr. stood as he gave his iconic “I Have a Dream” speech in 1963, one hundred years after Lincoln had signed the Emancipation Proclamation.

Col. Andrew Johnson

The wreath laying event was organized by the Lincoln’s Birthday National Commemorative Committee, which is associated with the Military Order of the Loyal Legion of the United States. In the photo above, Col. Andrew Johnson of MOLLUS admires the wreath laid by President Obama earlier in the day. The photo below captures the wreaths of the Lincoln Group of DC and the New York Avenue Presbyterian Church (“Lincoln’s Church) after they had been presented.

Lincoln Group of DC and New York Ave Presbyterian Church wreaths

Of course, Presidents Day honors more than just Abraham Lincoln; George Washington’s birthday is February 22nd and the federal holiday was originally solely to celebrate his birth (while Lincoln’s birth was celebrated officially by many individual states). Over the years the day has come to mean different things to different people but generally serves to remember all U.S. Presidents and those to come.

Fire of Genius

 

Coming in February 2026: Unable to Escape This Toil

Available now – Lincoln: The Fire of Genius: How Abraham Lincoln’s Commitment to Science and Technology Helped Modernize America is available at booksellers nationwide.

Limited signed copies are available via this website. The book also listed on Goodreads, the database where I keep track of my reading. Click on the “Want to Read” button to put it on your reading list. Please leave a review on Goodreads and Amazon if you like the book.

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David J. Kent is President of the Lincoln Group of DC and the author of Lincoln: The Fire of Genius: How Abraham Lincoln’s Commitment to Science and Technology Helped Modernize America and Lincoln: The Man Who Saved America.

His previous books include Tesla: The Wizard of Electricity and Edison: The Inventor of the Modern World and two specialty e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate.

Wreath Laying at the Lincoln Memorial, February 12th

I am honored to be the official representative of the Lincoln Group of the District of Columbia for the annual wreath laying at the Lincoln Memorial on Friday, February 12, 2016.

I received my invitation letter from the U.S. Department of the Interior, National Park Service, and will be participating in the event this Friday. The annual ceremony began in 1923, the year after the Memorial was dedicated, and commemorates the birthday of Abraham Lincoln. I will lay the wreath on behalf of the Lincoln Group.

Lincoln Memorial Wreath Laying

The event is organized by the Lincoln Birthday National Commemorative Committee (LBNCC). The Lincoln Group of DC has participated for many years, so I’m especially honored to participate this year. Wreaths will be laid for the President, the Diplomatic Corps, the Secretary of the Interior, and for the District of Columbia. Other Lincoln and Civil War organizations, including the Lincoln Group, will also lay wreaths.

If you’re in the area, please join us in the dedication, which is free and open to the public and starts at 11:45 am. I’ll have more photos after the ceremony.

David J. Kent has been a scientist for thirty-five years, is an avid science traveler, and an independent Abraham Lincoln historian. He is the author of Tesla: The Wizard of Electricity (now in its 5th printing) and two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate. His book on Thomas Edison is due in Barnes and Noble stores in spring 2016.

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Being Inside the Fish Bowl of St. Barts (aka, We All Live in a Yellow Submarine)

As an aquarium nut I’ve visited over 40 aquariums around the world. Last week it was me inside the fish bowl with the fish outside looking in at me. Welcome to St. Barts and the Yellow Submarine.

Saint Barthélemy, commonly called St. Barths (or by Americans, St. Barts) was the last stop on my recent sailing cruise in the Caribbean. It was “discovered” by Christopher Columbus, who named it after his brother Bartolomeo. With a complicated history that includes slavery up until 1847, this tiny island (< 9 square miles; ~9000 people) is a haven for the unnaturally wealthy. The number of yachts bigger than my house was astounding to see.

Its long volcanic history heightens its mountainous charms and led to the rise of its encircling coral reefs. It was to these reefs I headed with the Beatles song humming in my mind…aboard a yellow submarine.

Yellow submarine

Technically it was a semi-submersible (or semi-submersed) and not a submarine, but the gimmick was an effective way to introduce people to the reef corals and fishes. Once out of the marina you move from the stylishly yellow surface deck to a long tube-like below deck. Essentially, you’re now inside the aquarium looking out at the inhabitants in their natural world.

Yellow submarine inside

As the submarine moves out of the harbor you start to see tons of fish. A handy fish guide helps you with identification, though the numbers of yellowtail snapper (Ocyurus chrysurus for you nomenclature nuts) and Sergeant major (Abudefduf saxatilis). I’m sure you can figure out which is which in this photo.

Yellow Submarine fish

There were also several species of Caranx, various grunts, the occasional pompano, angel fish, surgeon fish, parrot fish, and even a barracuda. We even saw a shipwreck. One highlight was a quick view of a hawksbill turtle:

We saw another sea turtle swimming on the surface as we took the tender back to the ship. There were also pelicans and frigate birds in numbers I usually see only for seagulls.

Somehow being inside the aquarium seemed appropriate. The trip took us to seven different islands, each of which offered its own unique character and excursions. I’ll have more on other facets of this science traveling in future posts. For now, it’s back to dry land to plan the next adventure.

David J. Kent is the author of Lincoln: The Man Who Saved America, scheduled for release in summer 2017. His previous books include Tesla: The Wizard of Electricity and Edison: The Inventor of the Modern World (both Fall River Press). He has also written two e-books: Nikola Tesla: Renewable Energy Ahead of Its Time and Abraham Lincoln and Nikola Tesla: Connected by Fate.

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