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The world’s oldest living couple celebrated another major milestone when their senior living community in Austin, Texas, threw them a party for their 80th wedding anniversary.

John and Charlotte Henderson have an aggregate age of 211 years and 175 days, and a love story that has quite literally stood the test of time.

To celebrate their 80th year together, 106-year-old John picked up 105-year-old Charlotte in a 1920s roadster — much like he did on their first date — with a beautiful bouquet of flowers.

Circa 2005


We search for translationally invariant states of qubits on a ring that maximize the nearest neighbor entanglement. This problem was initially studied by O’Connor and Wootters [Phys. Rev. A {\bf 63}, 052302 (2001)]. We first map the problem to the search for the ground state of a spin 1/2 Heisenberg XXZ

Model. Using the exact Bethe ansatz solution in the limit of an infinite ring.

We prove the correctness of the assumption of O’Connor and Wootters that the state of maximal entanglement does not have any pair of neighboring spins.

“down’’ (or, alternatively spins “up’‘).

For those needing an uplifting, cheery video wink

Nikola Danaylov at #DarkFutures: #NeoTechnocracy – The #Future is Worse than You Think.


This is the short closing speech I delivered at the 2019 Dark Futures meetup in Toronto. Not my finest speech but, since event organizer and futurist Nikolas Badminton kindly gave me a video of my keynote, I thought it may be good to share it publicly and get your critical feedback.

Feel free to post your comments below.

Title: NeoTechnocracy: The Future is Worse than You Think

Description: Technology is the new religion, Silicon Valley is the new chosen land and entrepreneurs are the new chosen people. They promise a future that is better than we think – a techno-heaven of abundance and, naturally, immortality. And we are all believers now.

The combination of ingredients in this smoothie is designed to help reduce bloating.

Each ingredient serves a different function: the celery will help with fluid retention; ginger will help reducing swelling; mint will help with gas; banana is great for water retention and provides fibre; coconut water will help with electrolytes; spinach helps detox as well as with water retention; kiwi will help break down protein and the yogurt will provide probiotics.