Space-X rocket makes second test flight This video shows the Space-X Falcon 9 Reusable (F9R) rocket making its second test flight at the Space-X rocket development facility. F9R quadrupled its height from its previous test to rise to 1000 m. The F9R testing program is the next step towards reusability following completion of the Grasshopper […]
Finding a new way to rehabilitate deteriorating reinforced concrete
Superelasticity discovered in organic crystal
Not only rubber is elastic: There is also another, completely different form of elasticity known as superelasticity.





