PEOPLE, DEVELOPMENT and ENVIRONMENT:- Hydrogen and Fuel Cell || UGC NET PAPER - 1 ||
20:14
PEOPLE, DEVELOPMENT and ENVIRONMENT:- Nuclear Energy and it's types || UGC NET PAPER - 1 ||
27:26
This open problem taught me what topology is
26:01
PEOPLE, DEVELOPMENT and ENVIRONMENT:- Deforestation and it's negative impacts on environment.
39:21
PEOPLE, DEVELOPMENT and ENVIRONMENT:- Non - Renewable sources of energy || UGC NET PAPER - 1 ||
29:49
PEOPLE, DEVELOPMENT and ENVIRONMENT:- Biofuels and Generations of Biofuels || UGC NET PAPER - 1 ||
25:37
PEOPLE, DEVELOPMENT and ENVIRONMENT:- Renewable energy resource - Geothermal Energy
53:37
Les conquistadors de l'espace | ARTE
30:23