Gathering speed, the small sphere breaks contact due to centrifugal force. Find the angle θ at which the small sphere breaks contract with the large. Assume no friction and no rotational kinetic ...

Scientists have solved the mystery behind ancient circular earth rings in Australia, revealing they were constructed by the Wurundjeri Woi-wurrung people between 590 and 1,400 years ago. The large ...

Trump will make an online appearance at the World Economic Forum in Switzerland this week, but he has been the elephant in the room for the executives and leaders hobnobbing at the annual ...

Some odd ancient earth rings in Australia that could be over a thousand years old have had their origins revealed. The bizarre rings were found on the outskirts of what is now Melbourne ...

The origin and purpose of these large rings rising out of hills in Australia’s Wurundjeri Woi-wurrung Country in the suburb of Sunbury have remained a mystery. Strange rings have been spotted in ...

Archaeologists and Wurundjeri Woi-wurrung people are shedding new light on a series of enigmatic earth rings located in southeastern Australia. When you purchase through links on our site ...