Fluid dynamics

There’s no air drag or wheel contact to sap power and slow you down, so you can go Mach 5 through a long vacuum tunnel without so much as a sonic peep

Supersonic in the air and supercavitating under the water

The shock waves after the explosion that destroyed the star swept up the gas around it heating it to enormously high temperatures

Nέα βάση χρήσης εναλλακτικών καυσίμων δημιουργεί η MAN Energy Solutions

“When the Atlantic hurricane season begins to quiet down in late October and November, it’s time to cast an eye toward the Mediterranean Sea for “medicanes”–a nickname for storms that develop tropical characteristics just off the coast of southern Europe,” said Weather Underground’s Bob Henson in a Washington Post report.

The storm Ophelia passed through Scotland and the North of England on Tuesday, pushing down trees, power lines and interfering with transportation, the day after taking three lives and leaving hundreds of people without electricity in Ireland, according to Associated Press.

Hurricane Irma is now so powerful it has been causing seismic activity as it passes over the Caribbean and is even registering on earthquake monitors. Hurricane Irma has become the most powerful ever recorded in the Atlantic as it barrels down on the British Virgin Islands.
Around 30,000 islanders, nearly all British citizens, are directly in the path of the monster storm.

Texas Governor Greg Abbott has alerted 30 districts in the United States because of the approach of the tropical cyclone Harvey. He urged relief agencies to increase their readiness to help the population and cope with the consequences of the disaster, NOVA informs.

The National Meteorological Service (EMY) on Monday issued an announcement warning that the weather will significantly worsen during the course of the day through Tuesday with heavy rain and storms across much of the country.

The Peloponnese and the southwestern and central mainland are expected to be particularly badly affected as will Crete and the islands of the southern Cyclades.

Canadian engineer Charles Bombadier presented another radical, much faster design for future air travel. He unveiled his latest concept jet, ‘Antipode’, which is capable of reaching Mach 24.

The new craft can carry 10 people up to 12,430 miles in less than an hour allowing it to travel from London to New York in just 11 minutes.