You think the Wright Brothers were impressive? Hot air balloons were carrying people through the air almost a century before the Wright Brothers were even born. Here are some oddities from the oldest ...

In the remote village of East Chunakhali in Barguna, the day doesn't start with an announcement from overenthusiastic roosters, but with the cling-clang of hammers and chisels. Walk through the alleys ...

Abstract: A speed-estimation technique for induction machines, based on carrier signal injection and the standard two-axis smooth-air-gap induction machine model, is presented. The proposed ...

A fossil skull from China that made headlines last week may or may not be a million years old, but it’s probably closely related to Denisovans. The fossil skull, dubbed Yunxian 2, is one of three ...