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2. Heating, ventilation, and air conditioning - Wikipedia

   en.wikipedia.org/wiki/Heating,_ventilation,_and...

   This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats. In water heating systems the thermostats control zone valves, and in forced air systems they control zone dampers inside the vents which selectively block the flow of air. In this case, the control system is ...

3. Yelp - Wikipedia

   en.wikipedia.org/wiki/Yelp

   It has since become one of the leading sources of user-generated reviews and ratings for businesses. Yelp grew in usage and raised several rounds of funding in the following years. By 2010, it had $30 million in revenue, and the website had published about 4.5 million crowd-sourced reviews. From 2009 to 2012, Yelp expanded throughout Europe and ...

4. Double-slit experiment - Wikipedia

   en.wikipedia.org/wiki/Double-slit_experiment

   The experiment belongs to a general class of "double path" experiments, in which a wave is split into two separate waves (the wave is typically made of many photons and better referred to as a wave front, not to be confused with the wave properties of the individual photon) that later combine into a single wave.

5. Split (2016 American film) - Wikipedia

   en.wikipedia.org/wiki/Split_(2016_American_film)

   Split grossed $138.3 million in the United States and Canada and $140.2 million in other territories, for a worldwide gross of $278.5 million, against a production budget of $9 million. [ 2 ] [ 3 ] Deadline Hollywood calculated the film made a net profit of $68.2 million, when factoring together all expenses and revenues. [ 22 ]

6. Split-brain (computing) - Wikipedia

   en.wikipedia.org/wiki/Split-brain_(computing)

   Split-brain is a computer term, based on an analogy with the medical split-brain syndrome. It indicates data or availability inconsistencies originating from the maintenance of two separate data sets with overlap in scope, either because of servers in a network design , or a failure condition based on servers not communicating and synchronizing ...