London has series hybrid buses. Why is it, the engine revs only some times when braking? I notice it happens more when descending long hills. Mech/EE May 8, 2025 4 Comments
Is there a cheap way I can buy around 100-200 small compression springs of a specific size? Currently it’s cheaper to order 20 assortment packs than just the specific spring I need. 0.8x8x25mm May 8, 2025 24 Comments
Which of these two options to dig trench for 100amp of electric subpanel is safest? May 8, 2025 5 Comments
How many joules of energy do thermocouples produce per temperature difference? May 8, 2025 10 Comments