Coral Island

Coral Island

A coral island is a type of island made of coral detritus and organic matter associated with it. Coral islands are lowland, maybe just a…
Optical Tweezers – tools based on strongly focused light

Optical Tweezers – tools based on strongly focused light

Optical tweezers are tools based on strongly focused light, enable optical trapping, manipulation, and characterization of a wide range of microscopic and nanoscopic materials. They…
Tractor Beam

Tractor Beam

A tractor beam is a device with the ability to attract one object to another from a distance. In science fiction, it is a hypothetical…
Anti-gravity – a hypothetical force

Anti-gravity – a hypothetical force

Anti-gravity is the antithesis of gravity; a hypothetical force by which a body of positive mass would repel a body of negative mass. It also…
Gravitational Shielding

Gravitational Shielding

The term gravitational shielding refers to a hypothetical process of shielding an object from the influence of a gravitational field. In classical Newton’s theory of…
Magnesium Acetate

Magnesium Acetate

The anhydrous magnesium acetate is a white, crystalline, and deliquescent solid; it is the acetate salt form of magnesium. It has the chemical formula Mg(C2H3O2)2…
Coriolis force – in Physics

Coriolis force – in Physics

The Coriolis force acts in a direction perpendicular to Earth’s rotational axis. In physics, the Coriolis force is an inertial or fictitious force that acts…
Artificial Gravity – the creation of an inertial force

Artificial Gravity – the creation of an inertial force

Artificial gravity is a simulated gravity or sensation of weight established within a spacecraft by means of the craft’s rotation, acceleration, or deceleration. It is…
Spacecraft propulsion – a method used to accelerate spacecraft

Spacecraft propulsion – a method used to accelerate spacecraft

Spacecraft propulsion is used to change the velocity of spacecraft and artificial satellites. It is used to change the velocity of spacecraft and artificial satellites,…
Caroline Islands

Caroline Islands

The Caroline Islands (or The Carolines), an archipelago in the western Pacific Ocean, in which the Republic of Palau and the Federated States of Micronesia…
Hagia Sophia, Turkey

Hagia Sophia, Turkey

Hagia Sophia (/ˈhɑːɡiə soʊˈfiːə/; from Koinē Greek: Ἁγία Σοφία, romanized: Hagía Sophía; Latin: Sancta Sophia, lit. ‘Holy Wisdom’), officially the Hagia Sophia Grand Mosque (Turkish:…
Ion Thruster – a form of electric propulsion

Ion Thruster – a form of electric propulsion

An ion thruster is a form of electric propulsion used for spacecraft propulsion that creates thrust by accelerating ions. It is also known as, an…
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