Compare this to the sad buildings we erect today. The Vittorio Emanuele II National Monument in Rome.

This bolt is worth $8000 and goes in a helicopter People in aviation circles frequently call critical single-point-of-failure fasteners like this the "Jesus bolt" (or "Jesus nut" for the retaining nut variant) — because if it fails in flight, you're about to meet Jesus. The…

Rare Gac fruit from Southeast Asia is packed with antioxidants that support eye, skin, and immune health.

How to board a ship at sea [📹 abidch760]

The Brazilian three-banded armadillo is endemic to Brazil, where it is known as tatu-bola. It is one of only two species of armadillo that can roll into a ball.

Wave propagation in granular materials includes the possibility of emerging of localized solitary waves that propagate along one space direction only, with undeformed shape [📹 Arian Kiani / ryanki7]

When her baby wouldn't stay without the mother, she brought the child onto the dance floor, and they danced together.

Little boy is fitted with his first prosthetic leg and immediately proceeds to walk. The look on the child's face is absolutely priceless.

Mary (Matt’s wife) walked into the shop and asked if they worked with older people, and they said, 'Of course.' Matt suffers from Alzheimer's and had been pretty quiet for years, until he came into the shop. That day, he said he loved music.

Koalas seem “lazy” because they sleep 18–22 hours a day to conserve energy. Their diet of eucalyptus leaves is low in calories, hard to digest, and toxic, so they’ve evolved a slow metabolism to survive.

Sequoia National Park, California, contains five of the ten largest trees in the world [📹 Muhammad Arsalan Sabir]

A pyramidion used to be the uppermost piece of an Egyptian pyramid or obelisk. It was generally made of diorite, granite, or fine limestone, then covered in gold or electrum. Very few pyramidia have survived into modern times. This is the one form the Pyramid of Amenemhat III…

In image processing, one of the elements you see in the clip is called a 'gabor'. Configurations of drifting gabors that are stationary, can give rise to a dramatic perception of motion [📹 Mathew T. Harrison / Gideon P. Caplovitz]

The platypus localises its prey using almost 40,000 electroreceptors arranged in front-to-back stripes along its bill. Bonus: this is what it sounds like [📹 Platypus Conservation Initiative]

In 1961, London’s Zidpark became the city’s first fully automated robot parking garage, using conveyor belts, lifts, and pulleys, before closing due to high maintenance costs and technical complexity.

The twenty-eight 3.5" floppy disks required for the installation of Windows 95 OSR2 (the retail floppy disk version of Windows 95 came on 13) [📷 TotoB12]

In this 1985 documentary, James Burke talks about uniting people in an electronic community erasing physical distances. An accurate prediction of Internet and how politics will change in the digital age [📹 «Worlds without end»]

Cats have a wide spectrum of vocalizations, from the 'standard' meow, to purrs, to chirps and trills. Sometimes they produce these low pitch sounds which are generally associated with the animal complaining or being unhappy about something.

An eagle with a camera flying over the Neuschwanstein Castle, southwest Bavaria, Germany.