Huge tunnels under southern Brazil and northern Argentina were potentially made by giant, Ice Age sloths for refuge and rest ...
Abstract: The instability of the sheet electron beam (SEB) is an essential factor for limiting the power of the SEB traveling wave tube (TWT). To solve this issue, this article proposes a method to ...
The analysis, prompted by a request from King County Councilmember Claudia Balducci, looks at ways to get to Ballard without ...
From small ions to large molecules, cellular gates control what can pass in and out of cells. But how one such gate, called ...
Abstract: In this paper, we present the results of development of slow-wave structures (SWSs) for miniature W-band traveling-wave tube (TWT) amplifiers with multiple sheet electron beams. Two designs ...
4don MSN
Amtrak has made real progress in East River Tunnel rehabilitation. Here's what's been accomplished.
Amtrak has been working around the clock to rehabilitate two of the four century-old tubes of the East River Tunnel​, which ...
The first proposed Sound crossing was on the East End. The 18-mile bridge, put forward by U.S. Sen. Royal Copeland of New ...
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