Abstract: A simple approach which can describe both coherent tunneling and sequential tunneling is applied to resonant tunneling through a double-barrier structure. This approach models ...

1. various of the Tianshan Shengli Tunnel and the tunnel boring machines 2. SOUNDBITE (Chinese): YANG CHENGJIAN, TBM operatorSTORYLINE:The Tianshan Shengli Tunnel, the world's longest expressway ...

Passengers on a Eurostar train from London to Paris say they were stuck for hours in the Channel Tunnel after a train broke down. The 06.01am train left on time and was supposed to arrive at Paris ...

There's a lot you can do with a Raspberry Pi, including these projects that should take less than an hour from start to ...

Space can be a wondrous place, and we've got the pictures to prove it ... place as the space agency upgrades its iconic Deep Space Network, the collection or radio dishes around the world that ...

And what better way to preserve and share those memories than through meaningful photos and captions? Pictures and messages have the power to bring smiles to faces, strengthen bonds, and remind ...

Here we take a look back at this year in pictures. Image: 3 January: Luke Littler, 16, loses to Luke Humphries in the final of the Paddy Power World Darts Championship at Alexandra Palace in London.

After hours: December 27 at 8:00:00 PM EST Loading Chart for ANET ...

To the other, outside the ski area’s boundary to what is considered the back of Cowboy Mountain, is an unmonitored play area of reliably deep snow, a “powder stash,” known as Tunnel Creek.

So you’ve got a new computer. Awesome! That humble metal box is the key to a wide world of potential. It can help you with everything from juggling your finances to keeping in touch with your ...

After hours: December 27 at 7:57:41 PM EST Loading Chart for PANW ...