1. Landing a plane
2. Reading text
3. Running a marathon
4. Eating a meal
5. Driving a car
6. Writing a letter
7. Watching a movie
8. Baking a cake
9. Climbing a ladder
10. Tying shoelaces
11. Buttoning a shirt
12. Brushing your teeth
13. Combing your hair
14. Zipping up a jacket
15. Putting on pants
16. Riding a bicycle
17. Climbing stairs
18. Peeling a banana
19. Pouring a drink
20. Blowing out birthday candles
21. Rowing a boat
22. Cutting with scissors
23. Hammering a nail
24. Sewing on a button
25. Unlocking a door
26. Flushing a toilet
27. Vacuuming a carpet
28. Mowing a lawn
29. Washing dishes
30. Hanging a picture
31. Wrapping a gift
32. Painting a wall
33. Ironing clothes
34. Sharpening a pencil
35. Spreading butter on bread
36. Swallowing food or drink
37. Shaving your face
38. Knitting a scarf
39. Planting seeds in a garden
40. Solving a maze or puzzle
Certainly! Here’s a list of 40 things that typically don't work well or are impractical when done in reverse:
1. Landing a plane
2. Reading type written backwards
3. Running a marathon backwards
4. Driving a car in reverse on a highway
5. Rewinding live television without DVR functionality
6. Playing a vinyl record backwards
7. Walking up an escalator going down
8. Eating food starting with swallowing
9. Digesting food from intestines to the mouth
10. Holding a conversation with speech in reverse
11. Throwing something with the intent of it returning to your hand (non-boomerang)
12. Growing younger (reverse aging)
13. Knitting from finished piece to yarn ball
14. Unboiling an egg
15. Undoing a haircut
16. Opening a locked door without a key (just by pushing)
17. Swimming upstream in a fast current
18. Using a microwave to cool food
19. Using a refrigerator to heat food
20. The physiological act of inhaling carbon dioxide and exhaling oxygen
21. Pumping blood through the body in reverse cardiac direction
22. Cycling uphill in high gear
23. Trying to win a board game by getting to the start
24. Unlearning knowledge intentionally
25. Baking a cake starting from a fully decorated finished product
26. Rereading a book starting from the last page to the first
27. Playing a video game from end to start
28. Watching a movie from end to beginning for understanding the plot
29. Using a pencil eraser to create a drawing
30. Rowing a boat forward while facing and moving towards the stern
31. Sewing clothes from finished garment to separate pieces of fabric
32. Building a house by starting with the roof
33. Tying shoes starting with the knot
34. Playing basketball aiming to remove the ball from the basket
35. Showering with clothes on to get clean
36. Brushing your teeth with mouthwash then applying toothpaste, and ending by eating
37. Applying make-up in reverse order (e.g., lipstick first, then cleanser)
38. Walking backwards in a crowded place without guidance
39. Installing a software application by starting with the uninstall process
40. Hatching an egg into its initial components: yolk, whites, and shell