Internal Combustion Engine

3D printing "Additive manufacturing"

A child has an artificial hand which have some parts manufactured with #3D_printing.

Archimedes rule

How to fix windows 8.1 store easily

https://www.youtube.com/watch?v=jKwF2EYLt50

Can by inventor pro 2015

Spy penguin

A spy penguin! 
Because penguins are very ashamed animals, some scientists sent a spy penguin to watch their behavior close.

Steel making

Steel is an alloy of iron, containing up to 2% of carbon (usually up to 1%).

• Steel is produced from pig iron (liquid) by processes, involving reducing the amounts of  carbon, silicon and phosphorous.
• The main steel making methods are: 

1. Basic oxygen furnace (basic oxygen converter).

2.Electric-arc furnace.

                                               Basic oxygen furnace (basic oxygen converter).

Electric-arc furnace.