Celestial Navigation: The Marine Sextant

This video is part 1 of the "Getting Started in Celestial Navigation" video series. Part 1 of "Getting Started in Celestial Navigation," (The Marine Sextant)...

WATCH- The First Nuclear-Powered Merchant ship: NS Savannah

NS Savannah was the first nuclear-powered merchant ship. Built in the late 1950s at a cost of $46.9 million, including a $28.3 million nuclear reactor and...

Watch: How a deep water well is drilled

Drilling wells is one of the most important activities in the process of finding hydrocarbon reservoirs and producing oil and gas from these reservoirs...

Sea Ice – learn !

Sea ice is found in remote polar oceans. On average, sea ice covers about 25 million square kilometers (9,652,553 square miles) of the earth,...

7 Essential Knots You Need To Know

The knots covered in this video are: Square Knot (Reef Knot) Clove Hitch (Builder's Hitch, Tied in a bight, and at an end) Sheet Bend (And Double...