Category Archives: Tech & Savings Gate

DARPA sees future in vacuum tubes

Millimeter wave vacuum tubes, including ones like the travelling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with electromagnetic energy (shown as a wave) in the signal

In today’s world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is looking to develop new tube designs and manufacturing techniques for use in tomorrow’s high-powered communications and radar systems.

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Section: Military

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DARPA sees future in vacuum tubes

Millimeter wave vacuum tubes, including ones like the travelling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with electromagnetic energy (shown as a wave) in the signal

In today’s world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is looking to develop new tube designs and manufacturing techniques for use in tomorrow’s high-powered communications and radar systems.

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Section: Military

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DARPA sees future in vacuum tubes

Millimeter wave vacuum tubes, including ones like the travelling wave tube (TWT) depicted here, amplify signals by exchanging kinetic energy in the electron beam (shown as a blue line) with electromagnetic energy (shown as a wave) in the signal

In today’s world, vacuum tubes or radio valves seem as dead as high button shoes and buggy whips, but DARPA sees them as very much the technology of the future. As part of a new program, the agency is looking to develop new tube designs and manufacturing techniques for use in tomorrow’s high-powered communications and radar systems.

.. Continue Reading DARPA sees future in vacuum tubes

Section: Military

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Review: Trinity Audio Engineering Delta in-ear monitors

Gizmag reivews the Trinity Audio Delta IEMs

When it comes to high-end audio, many options out there tend to bring along a high-end cost. While price may not be much of an issue for audiophiles or audio enthusiasts, the average consumer probably doesn’t want to shell out hundreds upon hundreds for some headphones or earbuds. But Trinity Audio Engineering is aiming to provide quality sound without the steep premium. We get some ears-in with the Trinity Audio Delta in-ear monitors (IEMs) to see if the company delivers on its vision.

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Section: Music

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New ‘Magic Mouse 2′ and Apple Wireless Keyboard With Bluetooth 4.2 Appear in FCC Filings

A group of filings posted to the U.S. Federal Communications Commission website yesterday (via SlashGear) reveal impending upgrades for Apple’s Magic Mouse and wireless keyboard accessories. Images accompanying the filings point to the Magic Mouse’s successor to simply be titled “Magic Mouse 2,” but no specific name for the new wireless keyboard has been revealed.

magic_mouse_2_fcc
The internals of both devices will see a notable overhaul in their Bluetooth capabilities, with each device getting a bump from Bluetooth 2.1 to Bluetooth 4.2. The upgrade will bring about Apple accessories that should see a noticeable increase in battery life and more robust communication between the input devices and the main computer.

wireless keyboard fcc
Also of note is the inclusion of integrated lithium battery packs, which users will have to charge instead of the swapping in traditional AA batteries as seen in the current generation of the Magic Mouse and Apple wireless keyboard. The change is noticeable on the wireless keyboard in particular, with Apple able to do away with the barrel shaped feature on the bottom of the existing keyboard where the replaceable AA batteries are housed.

Both the Magic Mouse 2 and wireless keyboard have undergone testing with “pre-production” builds of each device, so the possibility of a release sometime before or on Apple’s upcoming September iPhone media event may be likely.


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Protecting the Lumia 640 XL with Incipio’s DualPro Hard Case

The DualPro Hard Case makes dropping your Lumia 640 XL not so dreadful — and we’re good with that.

This case consists of a stretch and tear resistant TPE inner core that’s the real hero when it comes to absorbing impacts, along with a slightly thick polycarbonate shell that sits on top — adding a fair amount of grip. The “dLAST” TPE features cutouts at the top and bottom for the auxiliary and charging ports, while the side buttons have been raised with the same material for an easier press when it’s all sandwiched together.










Samsung Galaxy Note 5 vs. Galaxy Note 4

Gizmag compares the features and specs of the Galaxy Note 5 (left) and last year's Note 4

The Galaxy Note 5 is the first version of the stylus-toting phablet that has an all-premium build. Let’s see how it compares to last year’s model, the Note 4.

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Section: Mobile Technology

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