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Project Looking Glass is a now inactive free software project under the GPL to create an innovative 3D desktop environment for Linux, Solaris, and Windows. It was sponsored by Sun Microsystems.

Looking Glass is programmed in the Java language using the Java 3D system to remain platform independent. Despite the use of graphics acceleration features, the desktop explores the use of 3D windowing capabilities for both existing application programs and ones specifically designed for Looking Glass.

There is a Live CD available from Project Looking Glass. The Looking Glass environment is also included on a Live DVD (FunWorks 2007 edition) from the Granular Linux project.

The Man of the Hole (also known as "Indian of the Hole", Portuguese: índio do buraco) is a man indigenous to Brazil who lives alone in the Amazon rainforest. He is believed to be the last surviving member of his tribe. It is unknown what language he speaks or what his tribe was called. The term "Man of the Hole" is a nickname used by officials and the media; his real name is unknown.

A rotary woofer is a subwoofer-style loudspeaker which reproduces very low frequency content by using a conventional speaker voice coil's motion to change the pitch (angle) of the blades of an impeller rotating at a constant speed. The pitch of the fan blades is controlled by the audio signal presented to the voice coil, and is able to swing both positive and negative, with respect to a zero pitch spinning blade position. Since the audio amplifier only changes the pitch of the blades, it takes much less power, per dB of generated acoustic sound level, to drive a rotary woofer than to power a conventional subwoofer, which uses a moving electromagnet (voice coil) placed within the field of a stationary permanent magnet to drive a cone which then displaces air. Rotary woofers excel at producing sounds below 20 Hz, below the normal hearing range; when installed in the wall of a sealed room, they can produce audio frequencies down to 0 Hz, a static pressure differential, by simply compressing the air in the sealed room.

The Ithaca HOUR is a local currency formerly used in Ithaca, New York and was one of the longest-running local currency systems, though it is now no longer in circulation. It has inspired other similar systems in Madison, Wisconsin; Santa Barbara, California; Corvallis, Oregon; and a proposed system in the Lehigh Valley, Pennsylvania. One Ithaca HOUR is valued at US$10 and is generally recommended to be used as payment for one hour's work, although the rate is negotiable.

John "Walking" Stewart (19 February 1747 – 20 February 1822) was an English philosopher and traveller. Stewart developed a unique system of materialistic pantheism.

Cosmic latte is the average color of the universe, found by a team of astronomers from Johns Hopkins University. In 2001, Karl Glazebrook and Ivan Baldry determined that the average color of the universe was a greenish white, but they soon corrected their analysis in a 2002 paper in which they reported that their survey of the light from over 200,000 galaxies averaged to a slightly beigeish white. The hex triplet value for cosmic latte is #FFF8E7.

Stochastic terrorism is a form of political violence instigated by hostile public rhetoric directed at a group or an individual. Unlike incitement to terrorism, stochastic terrorism is accomplished with indirect, vague or coded language, which grants the instigator plausible deniability for any associated violence. A key element of stochastic terrorism is the use of media for propagation, where the person carrying out the violence may not have direct connection to any other users of violent rhetoric.

Authoritarian capitalism, or illiberal capitalism, is an economic system in which a capitalist market economy exists alongside an authoritarian government. Related to and overlapping with state capitalism, a system in which the state undertakes commercial activity, authoritarian capitalism combines private property and the functioning of market forces with repression of dissent, restrictions on freedom of speech and either a lack of elections or an electoral system with a single dominant political party.

Political scientists disagree on the long-run sustainability of authoritarian capitalism, with arguments both for and against the long-term viability of political repression alongside a free-market capitalist economic system.

Countries commonly referred to as being authoritarian capitalist states include China since the economic reforms, Hungary under Viktor Orbán, Russia under Vladimir Putin, Singapore under Lee Kuan Yew and Turkey under Recep Tayyip Erdoğan as well as fascist regimes and military dictatorships during the Cold War. Nazi Germany has also been described as authoritarian capitalist.

Bleem! (styled as bleem!) is a commercial PlayStation emulator released by the Bleem! Company in 1999 for IBM-compatible PCs and Dreamcast. It is notable for being one of the few commercial software emulators to be aggressively marketed during the emulated console's lifetime, and was the center of multiple controversial lawsuits.

Foam concrete, also known as Lightweight Cellular Concrete (LCC), Low Density Cellular Concrete (LDCC), and other terms is defined as a cement-based slurry, with a minimum of 20% (per volume) foam entrained into the plastic mortar. As mostly no coarse aggregate is used for production of foam concrete the correct term would be called mortar instead of concrete; it may be called "foamed cement" as well. The density of foam concrete usually varies from 400 kg/m³ to 1600 kg/m³. The density is normally controlled by substituting fully or part of the fine aggregate with foam.