| Is there a practical way of deriving the length of a meter on a desert island? | 235 | r_l_l_r_R_N_K | | | | |
| What’s the oldest stainless steel thing that’s been mostly exposed to the elements? | 152 | bbqturtle | | | | |
| Why are Michigan's roads so much worse than rest of the country? | 78 | ma-ta-are-cratima | | | | |
| According to the EPA, one gallon of gas (which weighs 6 pounds) when burned released 19.2 pounds of CO2. How is this possible? | 72 | Russiophile | | | | |
| could you use muscles as actuators? | 62 | Glittering_Ad3249 | | | | |
| Why don’t engineers design vehicles to actually work on? | 57 | BadBrag | | | | |
| How have moon landings gotten safer since the Apollo Programs? | 45 | reapingsulls123 | | | | |
| How the hell am I supposed to mount frameless motors? | 42 | SumranMS | | | | |
| How can I maintain the water level in my pets bowl, directly off of the waterline? | 34 | FMasterson | | | | |
| Why isn't rooftop/residential wind power a thing the way rooftop solar is? | 28 | virgoworx | | | | |
