r/UnnecessaryInventions
Always Cold Pillow
I present to you.. The always cold pillow prototype 1.0. An invention of my own that took a whole 5 minutes to make, and in turn my pillow is always cold. Aircooled. Feel free to ask any questions. YES, it actually does work. this could also be hooked right up to a portable AC unit for maximum chill.
u/campthechamp16 — 18 days ago
Peak laziness achieved: I 3D printed a hand so I don't have to use my own.
I got tired of the grueling physical labor of raising my arm every time the sun was in my eyes, so I designed a wearable face hand. It features a fully adjustable strap and provides 100% autonomous sun shading.
Is it stupid? Yes. Does it actually work flawlessly? Also yes.
u/Dry-Pay6654 — 1 month ago
I don't have discipline, so I invented machine that does
I saw an Instagram account where a guy kicks the same rock every day to motivate people to stay consistent - just do a little bit of work daily. Unfortunately, consistency requires discipline, and discipline is unreliable. So I approached the problem from an engineering perspective. Instead of building better habits, I built a machine that automatically kicks the rock once in a while. Same motivation. Zero effort. Problem solved.
u/Such-Charge-5104 — 1 month ago
I've built HallwayGhost with @base_44! HallPass is live! Tap the big red "Rescue Me" button to trigger a fake incoming call — pick your fake caller (Boss, Mom, etc.) and set a ring delay via the gear icon. The call screen looks realistic with answer/decline buttons, and a call timer!
ghost-hallway-pass.base44.appu/neolgan2 — 1 month ago
China's desert farm.
Why hasn't anyone built a fully vertically integrated fish chain in America yet?
I've been thinking about this for a while. China is farming fish in the desert generating $530 million annually with zero ocean access. America has 4.7% of the global aquaculture market. We're losing the food war quietly.
Here's what I think the gap looks like and why nobody has filled it:
The problem with every existing fish chain is they don't own their supply. Long John Silver's buys fish from somewhere. McDonald's Filet O Fish comes from imported pollock. One supply chain disruption, one foreign tariff, one bad season and prices spike.
What if someone owned the whole thing?
Start with plankton farms — indoor tanks growing the natural food fish actually eat. This alone cuts feed costs 60-80% versus imported pellets. Nobody is doing this at scale.
Feed those plankton to closed recirculating fish farms in every state. No coastline needed. Arizona, Minnesota, Manhattan — doesn't matter. Profitable in 18-24 months.
Grow your own potatoes, sweet potatoes, and cabbage alongside.
Open a restaurant chain. Fish sandwiches, fish and chips, sweet potato fries, cole slaw. Fresh sushi trays stocked daily from the farm down the road. Same price as McDonald's but actually fresh.
Frozen grocery line in every supermarket.
10 year projection if someone built this: Year 2: $40M Year 4: $400M Year 6: $1.6B Year 8: $4B Year 10: $15-20B
The vertical integration means nobody can undercut you. Not McDonald's. Not China. Not inflation.
Am I missing something obvious here? Why hasn't this been done?
Would you eat fresh farmed fish at McDonald's prices every day?
u/InstructionLocal6086 — 1 month ago
Tell me something that you thought is something different but then u found out that someone has already done this after thinking about it.
reddit.comu/[deleted] — 26 days ago