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Space - Recent and Future Space Missions
Recent and Future Space Missions


1. Launch vehicles – Seven successful launch vehicle missions an More..

Ice sheets
An ice sheet is a mass of glacial land ice extending more than 50,000 square kilometers (20,000 square miles). The two ice sheets on Earth today cover most of Greenland and Antarctica.

Ice sheets are constantly in motion, slowly flowi More..

Crop nutrition
Crop nutrition

Crops require a balanced diet of essential nutrients throughout their growth cycle. Yield and the quality of products from crops are strongly linked to the supply o More..

Voice over LTE
Voice over Long-Term Evolution (VoLTE) is a standard for high-speed wireless communication for mobile phones and data terminals. It is based on the IP Multimedia Subsystem(IMS) network, with specific profiles for control and media plans of voice serv More..

Light Emitting Diodes

A light-emitting diode (LED) is a semiconductor device that emits visible light when an electric current passes through it. The output from an LED can range from red (at a wavelength of approximately 700 nanometers) to blue-violet (about 400 nanom More..