Why Russia tried to clone the world's most famous camera (and got it hilariously wrong!)

The Salyut was primarily sold only in the USSR, mostly in Torgsin or Beriozka stores (chains that sell to high party ...
Science Daily

The Ring Nebula is hiding a giant structure made of iron

A huge bar of iron has been discovered lurking inside the iconic Ring Nebula. The structure is enormous, spanning hundreds of ...

What signs, buildings have Trump's name, face? What's on his wish list?

Hello, Donald J. Trump Boulevard in Florida! President's name and face have appeared on buildings, hotels and signs. On the ...

Photos show Ukraine's historic center in ruins but children, athletes still train ahead of Olympics

Ukraine’s historic Chernihiv biathlon and cross-country training center, which produced the country’s first Olympic medalist, remains in ruins after Russia’s ...
IEEE

Inverse Design Method of Metal Structures in Multiport Waveguide Based on Numerical Green’s Function

Abstract: This article proposes an inverse design method based on numerical Green’s function (NGF-IDM) to achieve the intelligent and efficient design of waveguide devices. Inspired by the metal ...
Building Design + Construction

6 projects named best in steel construction for 2026

From a fire station built with re-used steel members from a deconstructed hospital, to a “floating” gymnasium in California's ...

7 ancient structures so advanced their construction still baffles scientists

These ancient structures still stand - but the people who built them remain a mystery that history can’t fully explain.