SAFARI MAGAZINE | ENGLISH EDITION
Issue no. 112 | September-October 2022
Hi-Tech Sailing Ships:
Return of the golden age of wind-powered voyages
As the Sun slowly dips on the Sea of Japan’s western horizon, the sky begins to darken. The gusts of chilling wind pick up speed as they normally do at this time of the day. The hazy image of an approaching ship assumes a clear form as the distance gradually decreases.
It’s an oil tanker, though having form which is not seen in other tanker ships. There are two considerably tall masts, one on the front and the other quite a few meters behind it near the bridge section. It’s definitely a tanker, but with distinctly different profile. For the observer, it would take only a few minutes to realize that it’s a sailing vessel, but of a unique type. Onboard, from his elegant cabin, the captain gives the order: ‘Put the sails up.’ But the shivering seamen don’t climb up the rigging and unfurl the sails, because there isn’t any canvas sail. Instead, the watch officer pushes a button, and within seconds big, sturdy panels unfold and turn their curved sides towards the blowing wind. Now, the engineer advances the throttle of the ship’s powerful diesel engines.
More interesting articles
12 Aspects of Time
What is time? The word most often comes to our lips. We spend time, time flies, time drags, time is great healer, time is money, (‘so leave me alone’), we save time, at times we waste time and even in cricket a batsman could be timed out. We do all sorts of things with the word time cropping up in the process.
What we cannot do, oddly enough, is define time. Albert Einstein, though, came closest. In his special Theory of Relativity the associated time with space as its fourth dimension. If you are travelling in space, you are also travelling in time. This is the best description of time that we have.
Every year millions of birds leave the areas in which they have lived for months and embark on hazardous long journeys to new regions, returning to their original homes the following spring. How do they find their destination with accuracy?
To unfold the mystery a number of scientists conducted one experiment after another. The experiments were as fascinating as the birds’ migration itself. With their unparalleled mobility, birds have explored almost the whole Earth, reaching not only for food but also for suitable territory, nesting sites, and other necessities for survival.
Insects as architects
Burj Khalifa, the tallest building of the world is one of the examples of engineering skill of humans. Forget a skyscraper for a while and try to imagine a building that is 870 times taller than its average resident. How tall the building would be? Here’s a simple method—take 5 feet 8 inches as the average height of a human. Now multiply that figure with 870; and you’ll get 5,046 feet (or 1,577 meters) as the answer. If this calculation is applied to Burj Khalifa, then this skyscraper would be taller by about 2,329 feet (or 710 metres). In other words, it was 1,538 metres (or 5,046 feet) taller than two-legged resident; but in actual fact its height (including the TV towers) is only 828 metres.