BlackAndWhite on Instagram: "A money-counting machine uses a coordinated set of mechanical sensors, rollers, and digital logic to recognize and tally banknotes as they pass through the device at high speed. When a stack of notes is placed in the hopper, friction rollers separate the bills one at a time and feed each note through a transport path where optical, magnetic, and sometimes infrared sensors examine its physical characteristics. These sensors detect size, thickness, printed pattern sign

Wealth on Instagram: "When power meets gravity, traction decides everything. ⚙️🔥 Front-wheel drive (FWD) pulls the car forward using the same wheels that steer. It’s efficient, light, and great for smooth or paved roads, but on steep or slippery terrain, those front tires lose grip fast. Rear-wheel drive (RWD) pushes from the back, delivering stronger acceleration and balance at high speeds. But when the climb gets steep or the surface gets slick, it struggles to maintain traction. All-wheel dr