Why “Suction” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
Everyone's focusing on the cold gas thrusters, which of course is very cool, but not actually shocking that it technically could be done (economically is another question). But…
by mNovak · Oct 16, 2026
What is the suction useful for? The engineering blows my mind but why would someone use this? Does it help on turns?
by stogot · Oct 16, 2026
yes, you can, if you think like an engineer. they have suction mechanism, low center of gravity that helps you to beat any ICE counterparts. You can't call this beauty of engine…
by maxdo · Oct 16, 2026
The suction can only work on a cleaned track. On a standard public road, they have to deal with capturing and disposing debris.
by lern_too_spel · Oct 16, 2026
Can't wait for these things to endanger my family's life on some Colorado mountain highways. If the suction works at speed, people are gonna drive even more recklessly.
by dmkolobov · Oct 16, 2026
I don't think people have sex or not because the cost of living. Poor people have had plenty of sex in the past. I think modern society is more occupying and people just interac…
by xphos · Oct 16, 2026
Interest
Proportion of Hacker News items mentioning "suction" over time.
Mentions
Total number of Hacker News items mentioning "suction" over time.
Suction is the day-to-day term for the movement of gases or liquids along a pressure gradient with the implication that the movement occurs because the lower pressure pulls the gas or liquid. However, the forces acting in this case do not originate from just the lower pressure side, but instead from the side of the higher pressure, as a reaction to the pressure difference. Read more on Wikipedia