The phrase "a virtual tower" is correct and usable in written English.
It can be used in contexts related to technology, gaming, or metaphorical expressions where a "tower" represents a structure or concept that exists in a digital or virtual space.
Example: "In the game, players can build a virtual tower to defend against incoming enemies."
Alternatives: "a digital tower" or "an online tower".
If that doesn't work out, and if Parliament doesn't have the heart to get a new crew, the institution can always be converted into a reality-TV franchise, with revolving kings and queens and a virtual Tower of London for the "You're abdicating!" contestants.
The site-specific installation is connected to a website which collects the measurements of participants—so far 2,000 people have participated, amounting to a virtual tower of about 7545.93'.
That is just as well because, every once in a while, a controller being trained in this virtual tower at the Federal Aviation Administration Academy makes a mistake and planes collide.
A hierarchical architecture of the tower crane is analyzed, and then a robot-like kinematic model is deduced in which the virtual tower crane is driven by the parameters transmitted from the field sensors.
This addictive skyscraper building simulation title has been updated for iPhone 5, and it actually works perfectly on the larger screen, since you can now view more floors and the inhabitant characters of your virtual tower at one time.
With Flex, engineers recreated the horrific events of Sept. 11, 2001, on a computer, ramming virtual planes into virtual towers.
Among them was the proposal for the "virtual towers" ("From 88 Searchlights, an Ethereal Tribute," news article, March 4).
Visitors take a virtual tour through space.
Do a virtual tour online.
A key concept that many of these companies are exploring is the "digital control tower" — a virtual decision center that provides real-time, end-to-end visibility into global supply chains.
The town beauty, Sarah Winston, now lives as a virtual prisoner in a lonely tower equipped with a telescope.
