Whether to enable Pulseaudio's echo cancellation filter.

The term packet filter originated in the context of BSD operating systems.

The efficacy of a carbon filter is also based upon the flow rate regulation.

This argument is strange because it gets the economics of the situation backward.

Air is drawn through a HEPA filter and blown in a very smooth, laminar flow towards the user.

So, now, what I want to do I'm going to put the middle nine surfaces here under yellow illumination by simply putting a filter behind them.

LifeStraw is a water filter designed to be used by one person to filter water so that they may safely drink it.

The filter is placed on a petri dish containing M FC agar and incubated for 24 hours at 44.5 C (112.1 degrees F).

Apache Mobile Filter or AMF, is an open source project created by Idel Fuschini and distributed under the GNU General Public License (GPL).

There's a flip side to everything, the saying goes, and in 2 minutes, Derek Sivers shows this is true in a few ways you might not expect.

On the contrary, policy errors and delays in individual countries will seriously damage economies worldwide.

Their brightness varies roughly as the inverse cube of their distance from the Sun, meaning that if a comet's distance from the Sun is halved, it will become eight times as bright.

And then I put some ultraviolet filters on my camera and took a very, very long exposure with the particular frequencies of ultraviolet light and this is what I got.

Because a matching filter on the camera lens screens out only the backing color, the background area records as black, which, on the camera s negative film, will develop clear (fig.

Regrettably, the financial markets and right wing economists have gotten the problem exactly backwards they believe that austerity produces confidence, and that confidence will produce growth.

The structure that Yablonvitch was able to produce involved drilling an array of holes in a transparent material, where the holes of each layer form an inverse diamond structure today it is known as Yablonovite.

The downlinked satellite signal, quite weak after traveling the great distance (see inverse square law), is collected with a parabolic receiving dish, which reflects the weak signal to the dish's focal point.

And so even though there were no cars still in the West Village where we lived, my wife sent me out to buy a, you know, a large air filter at the Bed Bath and Beyond, which was located about 20 blocks away, north.

So, I was able to go in and draw down photos that had been tagged Mermaid Parade. There were 3,100 photos taken by 118 photographers, all aggregated and then put under this nice, neat name, shown in reverse chronological order.

Too much of the world lacks access to clean drinking water. Engineer Michael Pritchard did something about it inventing the portable Lifesaver filter, which can make the most revolting water drinkable in seconds. An amazing demo from TEDGlobal 2009.

And what I want to show you is actually this is one of the components of it that we've just recently been testing which is a solar chimney we have got 17 of them now put around New York at the moment that passively draws air up.

I think there's something poetic here, that these pictures taken with ultraviolet filter, the main use of that filter is for astronomers to take pictures of Venus actually the clouds of Venus.

Each of them has a single unbroken reading line, whether it's going zigzag across the walls or spiraling up a column or just straight left to right, or even going in a backwards zigzag across those 88 accordion folded pages.

You know, we're criticized abroad for believing we're the saviors of the world in some way, but the flip side of it is that actually, when people do see what is happening abroad and people's reactions to some of our policy abroad, we feel this power that we need to we feel like we have to get the power to change things.

To speed things up, after the default was declared in December 2008, Ecuador completed the buyback with an inverse auction for the remaining bondholders, to be settled in cash rather than a regular exchange in which the legality of undercover purchases was likely to be questioned.