|
|
|
|
 |
|
| A recent breakthrough in grid technology could make DC power lines practical in 2013. At an ABB Swedish lab researchers have developed a high power DC circuit breaker. For over a century global industry has depended on AC power because high-voltage DC power could only be used for point-to-point transmission. |
| Read More » |
|
|
|
 |
|
| The experts agree: Hydrogen is energy with potential. Research has been active in the economic utilization of regenerative energy carriers especially since climate change has become an issue. sera has been working for several years with this technology and continues its tradition of being in close touch with the market. |
| Read More » |
|
|
|
 |
|
| Two of the more interesting tunnels that humans build are transportation tunnels for trains and cars and water aqueducts supplying large cities. The largest existing aqueduct in the world is the Thirlmere Aqueduct in North West England built between 1890 and 1925 and running 96 miles over and through hill and dale of the English countryside in pipes, streams, tunnels dams and aqueducts. |
| Read More » |
|
|
|
|
|
| Advertise here | Submit an Article |
