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10/01/2026 12:00 AM Breaking up a horseshoe (Oct. 2026 Challenge Question)
in Challenge Questions
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Last post: 10/01/2026 11:22 PM
3 221
09/11/2026 12:00 AM QAADS 2016: Plastic Materials Making Flight Light
by QGuy in Aerospace Blog
Last post: 09/11/2026 12:00 AM
by QGuy
 0 149
08/31/2026 12:00 AM The Line Illusion (September 2026 Challenge Question)
in Challenge Questions
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Last post: 09/05/2026 6:50 AM
5 551
07/31/2026 12:00 AM Chess Test (August 2026 Challenge Question)
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Last post: 08/28/2026 8:30 AM
22 433
06/30/2026 12:00 AM Friendly Wager (July 2026 Challenge Question)
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Last post: 08/10/2026 11:28 AM
12 665
05/31/2026 12:00 AM Sensors and Senseless (June 2026 Challenge Question)
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Last post: 06/01/2026 1:41 PM
3 348
04/30/2026 12:00 AM Who Watches the Watchmen? (May 2026 Challenge Question)
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Last post: 05/29/2026 11:09 AM
17 639
03/31/2026 12:00 AM Climbing a Ladder in a Pipe (April 2026 Challenge Question)
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Last post: 04/29/2026 11:47 AM
19 669
02/28/2026 12:00 AM Map of the Mystery Maze (March 2026 Challenge Question)
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Last post: 04/17/2026 3:56 PM
9 1029
01/31/2026 12:00 AM Like Ships Passing (February 2026)
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Last post: 02/19/2026 3:07 AM
19 653
12/31/2025 12:00 AM Winter Wonders (January 2026 Challenge Question)
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Last post: 02/25/2026 5:53 PM
6 711
11/30/2025 12:00 AM Minesweepers Mapping (December 2025 Challenge Question)
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Last post: 12/13/2025 11:21 AM
23 513
10/31/2025 5:11 PM Review: Govee Table Lamp Pro 2
by peterbrown72 in TeknologikL
Last post: 11/13/2025 4:07 PM
by peterbrown72
 4 194
10/31/2025 12:00 AM Inside the Wire (November 2025 Challenge Question)
in Challenge Questions
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Last post: 11/23/2025 3:44 PM
25 681
09/30/2025 12:00 AM Steam Train Showtime (Oct. 2025 Challenge Question)
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Last post: 12/28/2025 6:00 AM
5 705
08/31/2025 12:00 AM Algebraic Enigma (September 2025 Challenge Question)
in Challenge Questions
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Last post: 09/23/2025 11:58 AM
5 1040
08/06/2025 9:48 AM Wordrow Workload No. 1: Automotive
by ThePuzzler in The Engineer's Notebook
Pathfinder Tags: puzzle wordrow
Last post: 08/07/2025 9:32 AM
by Rixter
 1 176
07/31/2025 12:00 AM 10 Questions to Find a Number (August 2025 Challenge Question)
in Challenge Questions
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Last post: 08/13/2025 4:48 PM
13 559
07/25/2025 8:39 AM Science Sprint Quiz: Nuclear History
by ThePuzzler in The Engineer's Notebook
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Last post: 07/31/2025 6:05 PM
by Doorman
 3 136
06/30/2025 12:00 AM Pizza Dividends (July 2025 Challenge Question)
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Last post: 07/22/2025 9:30 AM
4 485
05/31/2025 12:00 AM Air Show Show-Off (June 2025 Challenge Question)
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Last post: 06/25/2025 3:51 PM
5 474
04/20/2025 12:00 AM The Will of A Will (May 2025 Challenge Question)
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Last post: 05/27/2025 3:20 PM
14 500
03/31/2025 12:00 AM Fire Spiral (April 2025 Challenge Question)
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Last post: 05/01/2025 7:04 AM
9 605
02/28/2025 12:00 AM A Cat Dreams of Mice (March 2025 Challenge Question)
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Last post: 05/13/2025 10:29 AM
17 476
01/31/2025 12:00 AM Snowball Fight Strategy (February '25 Challenge Question)
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Last post: 02/21/2025 10:35 AM
3 554
12/31/2024 12:00 AM Transatlantic Encounters (January 2025 Challenge Question)
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Last post: 01/23/2025 10:07 AM
11 747
11/30/2024 12:00 AM Inconsistent Cash (December 2024 Challenge Question)
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Last post: 12/19/2024 7:23 AM
14 642
10/31/2024 12:00 AM Getting Dressed in the Dark (Nov. 2024 Challenge Question)
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Last post: 12/30/2024 2:37 PM
13 591
09/30/2024 12:00 AM Imbibition Equations (October 2024 Challenge Question)
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Last post: 10/27/2024 11:25 AM
17 966
08/31/2024 12:00 AM Envelopes of Money (Sept. 2024 challenge question)
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Last post: 09/23/2024 9:37 AM
26 945
07/31/2024 12:00 AM The Time Now is 2:10 p.m. (August 2024 Challenge Question)
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Last post: 08/08/2024 10:03 AM
8 856
06/30/2024 12:00 AM Color Cubed (July '24 Challenge Question)
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Last post: 08/19/2024 6:05 AM
17 792
05/31/2024 12:00 AM Can You Spell 'Inglenook'? (June 2024 Challenge Question)
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Last post: 06/12/2024 6:11 AM
5 659
04/30/2024 12:00 AM "We Got A Great Big Convoy" (May 2024 Challenge Question)
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Last post: 05/28/2024 11:37 AM
22 844
03/21/2024 12:00 AM Wrapping Wisconsin in Toilet Paper (April 2024 challenge question)
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Last post: 06/09/2024 8:13 AM
10 800
02/29/2024 12:00 AM Make It Equate Eight (March 2024 Challenge Question)
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Last post: 03/30/2024 11:40 AM
31 1162
01/31/2024 12:00 AM Ski Lift Mathematics (February 2024 Challenge Question)
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Last post: 02/26/2024 2:08 PM
34 1221
12/31/2023 12:00 AM Bent Coin Probabilities (January 2024 Challenge Question)
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Last post: 06/01/2024 7:04 PM
22 993
11/30/2023 12:00 AM Snail Race, Part 2 (December 2023 Challenge Question)
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Last post: 10/27/2024 11:38 AM
23 718
11/09/2023 5:45 AM mkii Archer Automaton
by user-deleted-1105 in Workbench Creations
Last post: 06/27/2025 8:59 AM
by artsmith
 13 413
10/31/2023 12:00 AM Snail Race (November 2023 Challenge Question)
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Last post: 12/20/2023 7:46 AM
26 764
09/30/2023 12:00 AM Balloon Bafflement (October 2023 Challenge Question)
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Last post: 10/24/2023 8:30 AM
16 965
08/31/2023 12:00 AM A Deck of Cards in the Dark (September '23 Challenge Question)
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Last post: 10/04/2023 9:51 PM
13 876
07/31/2023 12:00 AM Counting to 1,000 by 3's (August 2023 Challenge Question)
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Last post: 08/02/2023 4:48 PM
6 796
06/30/2023 12:00 AM Bears and Ferries, Oh My! (July '23 Challenge Question)
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Last post: 07/24/2023 4:06 PM
9 1247
05/31/2023 12:00 AM Water on the Carousel (June 2023 challenge question)
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Last post: 06/27/2023 11:31 AM
15 850
04/30/2023 12:00 AM A Small Town Affair (May 2023 Challenge Question)
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Last post: 07/11/2023 9:34 AM
24 1197
03/31/2023 12:00 AM Best Bets vs. Russian Roulette (April '23 Challenge Question)
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Last post: 04/26/2023 10:10 AM
20 1030
03/01/2023 8:46 AM An Offset Sunrise (March '23 Challenge Question)
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Last post: 03/28/2023 2:39 PM
35 1052
02/23/2023 5:00 AM Automotive Hall of Fame Rethinks How It Recognizes Industry's Leaders
by dstrohl in Hemmings Motor News Blog
Pathfinder Tags: Automotive Hall of Fame
Last post: 04/10/2023 9:00 AM
by phoenix911
 1 396
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