How do hotels know if you smoked or vaped in the room?

One particular time, during dinner, a hotel manager told me something that stuck to my head – the technology required to detect smoking is far advanced than what most clients can even imagine wh…

Top stories for Long   How do hotels know if you smoked or vaped in the room? Travis Merilno, studied at University of Milan • Answered April 22 One particular time, during dinner, a hotel manager told me something that stuck to my head – the technology required to detect smoking is far advanced than what most clien... Read more » 369 143   If C++ is faster than Java, how come Java is used in every enterprise application? Trausti Thor Johannsson, Computer programmer • Answered March 6, 2024 If you do any programming, at all. You know that the fastest in benchmark between like C++ and Java is going to be eventually quite tied. You can even sometimes make Java f... Read more » 407 102   Does marijuana use have to be chronic or all the time to have long lasting effects on addiction? Bruno Ronaldinho, Party Time Doctor (2009-present) • Answered October 8, 2025 I am currently 68 years of age and began using marijuana when I was 20. I can truthfully say that every bad choice I ever made, money I ever lost, relationships I ever lost... Read more » 1.1K 695   Do famous golfers still pay green fees anywhere, or do courses always let them play for free because of their status? HalftimeLedger, Sports analysis and commentary • Answered April 18 A PGA Tour badge is a golden ticket to play almost any golf course in the world for free—but many top pros actively hide their status so they can pay. There is an unwritten ... Read more » 172 8   If we stop eating sugar for a year, what will happen? Shiv Kumar, lives in Lucknow, Uttar Pradesh, India (2005-present) • Answered January 27, 2025 My wife did something similar… almost a year now and NO sugar. NONE what so ever (except from fruits etc). I can speak on behalf of my wife - though I personally cut my sug... Read more » 4.3K 513   Why is it that the USA is full of veterans that only served for a few years and retire? Where I am once a person joined the army, they make their life career. Russell Manuel, former Retired USMC Grunt 1987/2005 • Answered March 13 I spent 16 years in the United States Marine Corps. And people ask me all the time why I didn’t do 20 years. I usually don’t answer this question all they have to do is sta... Read more » 5.5K 556   CHINA WARNS USA TO NOT BLOCK ITS TANKERS The Python, Learner • Posted Apr 13 China warned USA that its ships will cross the Strait of Hormuz regardless of any naval blockade and tankers will load oil from Iran or elsewhere in the region. The Chinese navy is getting ready to... Read more » 4K 2.6K   No lying: did you regret having children? Jack Claxton, Software Developer (2000-present) • Updated April 4, 2025 Yes. My son is 27, suffering from chronic depression, in a low-paying dead-end job without the faintest idea of how to get out of it. His life is an unending continuum of un... Read more » 19.2K 4.8K   Why do people buy Hyundai or Kia cars when Toyota are much better? Gary Brown, Senior Fellow • Updated May 1 Let me explain. I had a friend who opened a gourmet pizza restaurant. People raved over his pizza. It cost more because he used the highest quality ingredients. He eventual... Read more » 2.4K 346   Are "air fryers" a scam? Mikel Jazsmine, studied at University of Illionois • Answered April 13 A kitchen device that invaded every countertop worldwide. But is there any truth to the hype? Neither a scam nor what was advertised. Air fryers are essentially convection o... Read more » 153 45   Was life better under Stalin or the Tsar? How was the USSR able to stop revolution to Stalin’s death if the conditions were worse under the communists than the Tsar? Mats Andersson, Did military service not 200 miles from the Soviet Union • Updated October 26, 2018 There is actually an old Soviet joke about this: When Brezhnev finally died, he came to the afterlife and met the last Tsar, Nicholas II. Nicholas was of course curious abou... Read more » 3.4K 338   Does attending an Ivy League school really matter? Bob Wilson, former Professional geoscientist • Answered March 9 Evidently, my niece insisted on it, and it just about bankrupted my brother. I figured it was foolish, in Canada, no one cares what school you went to, a degree is a degree... Read more » 232 24 Read more in your feed

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