Dylan Thuras is a guest blogger on Boing Boing. Dylan is a travel blogger and the co-founder of the Atlas Obscura: A Compendium of the World's Wonders, Curiosities, and Esoterica, with Joshua Foer.
Recently the most perfect spheres in the world were created as an answer to the "kilogram problem." Made to replace a chunk of platinum and iridium that has defined how much a kilogram weighs for 120 years (the weight of the metal has been changing ever so slowly ) the spheres are about the size of a melon and almost perfectly round. They are likely the most perfectly spherical objects on the planet.
"If you were to blow up our spheres to the size of the Earth, you would see a small ripple in the smoothness of about 12 to 15 mm, and a variation of only 3 to 5 metres in the roundness"
With this in mind we present you a collection of a few of the more interesting spheres found around the world.
Sweden Solar System: The world's largest model of our planetary system centered around the largest spherical building in the world.
The Mapparium: An three story inside-out glass globe built in 1935.
The Sudbury Neutrino Observatory: A gigantic spherical neutrino detector built into the largest man made underground cavity in the world.
Costa Rican Stone Spheres: Mysterious spherical rock formations from an earlier era.
Paris Sewer Museum: Giant wooden balls helped keep the Parisian sewers clean.
The Republic of Kugelmugel: A spherical "micro-nation" in the heart of Vienna.
NASA today announced that astronomers studying data from NASA’s Great Observatories have found the best evidence yet for “cosmic seeds in the early universe that should grow into supermassive black holes.”
Could you recover a murder victim’s last sight of their killer by extracting it from the retina? Little more than a century ago, forensic scientists thought it might be possible. After all, in 1877 physiologist Wilhelm Friedrich Kühne was able to develop a simple image from an albino rabbit’s dissected eyeball. (Above, the two images […]
Backed by huge donations from vitamin companies, the American Association of Naturopathic Physicians is pushing to get naturopathic medicine recognized and regulated in all 50 US states, paving the way to receiving public funds in the form of Medicare reimbursements.
We’d all love a 75-inch TV screen on which to view our favorite shows. But not all of us can drop the cash needed to get one of those broadcasting beauties (or even have the space needed to house them).Thankfully, there’s an alternative. With the SainSonic Mini LED Portable Projector (only $59.99 in the Boing Boing Store), you can project a picture […]
If you want to add some real firepower to your programming repertoire, learn Java–one of the most adaptable, widely-used programming platforms around. You can easily do that with this Ultimate Java bundle, now just $69 in the Boing Boing Store.Across 14 lectures and 117 hours of content, the educators at online academy eduCBA will walk you through […]
Every company wants to harness the power of social media, but few understand how to make that happen. Be one of those select few with this Social Media Marketing Course & Certification package, now just $29 in the Boing Boing Store.Over 12 modules of course material, you’ll learn what it takes to increase a brand’s […]