âLightâThe Fastest Thing Recorded. Light is undoubtedly the fastest thing in the universe. In a vacuum, light moves with a speed of 186,282.397 mps. If you moved at this speed around the equator, you would go round the earth about 7 times in one second.
Most homeowners spend between $247 and $403 to install door frames. The average cost includes: Basic door frame: $45 to $68; Labor for about three hours of professional work and cleanup: $182 to $310; Other materials, such as shims, insulation and caulking: $20 to $25; Interior Vs. Exterior Door Frames. Interior and exterior doors are constructed differently, which translates to subtle but
1 Prices start at about $20-$100 for a no-frills, interior door slab (no frame or hardware) or $40-$150 for one pre-hung in a frame with hardware installed; these are typically made of composite or inexpensive wood, and hollow. Interior Doors Direct charges $494 for a 1-3/8. 2  Thick Raised Panel Door in Mahogany 36 wide and 80 high with six raised panels. 3  Installation can add $50-$300, bringing the total cost (labor and materials) to $70-$400 for a basic door and $250-$1,300 for a more decorative solid wood door.