13 votes
Accepted

Does rubbing a rejected coin against the ticket machine make it likelier to be accepted?

The short answer is probably not. See this article for a short description of how these things are done. For coins, the machine measures diameter, thickness and number of ridges (on part of the ...
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  • 1,122
12 votes

Do air-conditioners need a 3 minute break after being started or stopped?

Yes. The compressor motor will stall if you switch it off and on too quickly, resulting in an overload which can trip the circuit breaker and possibly overheat and damage the motor. A technical ...
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  • 431
10 votes
Accepted

Was Hoysaleswara Temple built with lathes?

Were these pillars built using lathe? Yes, or more precisely given the lack of primary documentation, there is no reason to presume otherwise and is not considered controversial see here and here ...
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  • 216
5 votes

Was Hoysaleswara Temple built with lathes?

Hoysaleswara temple was built in Halebidu (currently in the modern state of Karnataka, India) during the rule of King Vishnuvardhana Hoysaleswara of the Hoysala Empire in the 12th century and is one ...
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