We can't yet build printer technology that eliminates the common problems of paper jams and ink waste that have persisted for decades.
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Technology & Computing
Despite decades of incremental improvement, printers remain a notoriously unreliable piece of everyday technology prone to jams, connectivity issues, and wasted ink. A truly hassle-free printing experience remains surprisingly elusive.
Team Humans Club. (2026). Problem WS00928: We can't yet build printer technology that eliminates the common problems of paper jams and ink waste that have persisted for decades.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=928
We haven't solved how to make Bluetooth connections between devices consistently reliable without occasional dropouts or pairing issues.
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Technology & Computing
Bluetooth technology has improved over the years but still occasionally suffers from connection drops, audio lag, or pairing failures that frustrate everyday users. A fully seamless wireless connection experience remains unresolved.
Team Humans Club. (2026). Problem WS00929: We haven't solved how to make Bluetooth connections between devices consistently reliable without occasional dropouts or pairing issues.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=929
We don't have affordable home internet routers that reliably maintain strong signal coverage throughout larger or oddly shaped homes.
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Technology & Computing
Standard routers often struggle to provide consistent coverage in homes with thick walls or unusual layouts, leaving dead zones that require additional equipment to fix. A truly universal, affordable solution remains undeveloped.
Team Humans Club. (2026). Problem WS00930: We don't have affordable home internet routers that reliably maintain strong signal coverage throughout larger or oddly shaped homes.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=930
We can't yet build smartwatch battery technology that lasts multiple days while still supporting always-on displays and health tracking.
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Technology & Computing
Smartwatches with more advanced features tend to have shorter battery life, forcing users to choose between functionality and convenience. Solving this tradeoff remains an unresolved hardware challenge.
Team Humans Club. (2026). Problem WS00931: We can't yet build smartwatch battery technology that lasts multiple days while still supporting always-on displays and health tracking.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=931
We haven't found a way to make screen glare on mobile devices fully manageable in bright outdoor sunlight.
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Technology & Computing
Even devices marketed for outdoor visibility can become difficult to read in direct sunlight, limiting usability during many common outdoor activities. A fully effective, affordable anti-glare solution remains elusive.
Team Humans Club. (2026). Problem WS00932: We haven't found a way to make screen glare on mobile devices fully manageable in bright outdoor sunlight.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=932
We don't have a reliable way to make USB and charging cable connectors universally durable against everyday wear and tear.
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Technology & Computing
Charging cables remain one of the most frequently replaced tech accessories due to fraying and connector wear from normal daily use. A meaningfully more durable design standard remains unresolved industry-wide.
Team Humans Club. (2026). Problem WS00933: We don't have a reliable way to make USB and charging cable connectors universally durable against everyday wear and tear.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=933
We can't yet build air conditioning and heating systems smart enough to perfectly balance comfort with energy efficiency automatically.
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Technology & Computing
Smart thermostats have improved efficiency, but many systems still require manual adjustment to truly optimize comfort without wasting energy throughout changing conditions. Fully automated, effective climate optimization remains an unresolved technical challenge.
Team Humans Club. (2026). Problem WS00934: We can't yet build air conditioning and heating systems smart enough to perfectly balance comfort with energy efficiency automatically.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=934
We haven't solved how to make video conferencing audio quality consistently match the quality of an in-person conversation.
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Technology & Computing
Even with modern software, video calls still frequently suffer from lag, echo, or audio dropouts that disrupt natural conversation flow. Achieving truly seamless audio parity with in-person interaction remains unresolved.
Team Humans Club. (2026). Problem WS00935: We haven't solved how to make video conferencing audio quality consistently match the quality of an in-person conversation.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=935
We don't have a scalable way to make electric bike and scooter sharing infrastructure reliably available in every neighborhood equally.
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Technology & Computing
Shared micromobility services often concentrate in wealthier or more central neighborhoods, leaving other areas with inconsistent or no access. Ensuring equitable coverage remains an unresolved urban technology deployment challenge.
Team Humans Club. (2026). Problem WS00936: We don't have a scalable way to make electric bike and scooter sharing infrastructure reliably available in every neighborhood equally.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=936
We can't yet build home security camera systems that reliably distinguish between genuine threats and harmless everyday movement.
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Technology & Computing
Many home security systems still generate frequent false alerts from pets, shadows, or weather, reducing their practical reliability for identifying genuine security concerns. Improving this accuracy without expensive hardware remains unresolved.
Team Humans Club. (2026). Problem WS00937: We can't yet build home security camera systems that reliably distinguish between genuine threats and harmless everyday movement.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=937
We haven't found a way to make streaming video quality remain consistently high during periods of high network congestion.
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Technology & Computing
Video streaming quality can noticeably degrade during peak usage times even with a stable internet connection, since network congestion affects delivery regardless of a household's own bandwidth. Solving this at scale remains an unresolved infrastructure challenge.
Team Humans Club. (2026). Problem WS00938: We haven't found a way to make streaming video quality remain consistently high during periods of high network congestion.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=938
We can't yet build affordable prosthetic limbs with sensory feedback available to most amputees worldwide.
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Technology & Computing
Advanced prosthetics with sensory feedback exist but remain far too expensive for widespread use, especially in lower-income regions where basic prosthetics are already hard to access. Closing this affordability gap remains an unresolved global health technology challenge.
Team Humans Club. (2026). Problem WS00939: We can't yet build affordable prosthetic limbs with sensory feedback available to most amputees worldwide.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=939
We haven't solved how to make hearing aid technology affordable enough for widespread use in lower-income countries.
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Technology & Computing
Modern hearing aids remain prohibitively expensive for a large share of the global population that could benefit from them, leaving hearing loss untreated in many communities. Making this technology genuinely affordable at scale remains unresolved.
Team Humans Club. (2026). Problem WS00940: We haven't solved how to make hearing aid technology affordable enough for widespread use in lower-income countries.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=940
We don't have a reliable way to make touchscreen technology fully accurate and responsive in cold weather or with gloves on.
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Technology & Computing
Many touchscreens still struggle with accuracy when used in cold conditions or with standard gloves, limiting usability in colder climates. A universally reliable solution remains an unresolved hardware design challenge.
Team Humans Club. (2026). Problem WS00941: We don't have a reliable way to make touchscreen technology fully accurate and responsive in cold weather or with gloves on.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=941
We can't yet build affordable water filtration technology effective enough to remove all harmful contaminants in the poorest regions.
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Technology & Computing
Advanced filtration technology exists, but cost and infrastructure requirements keep effective solutions out of reach for many communities facing the most severe water contamination issues. Solving this affordability and deployment challenge remains urgent.
Team Humans Club. (2026). Problem WS00942: We can't yet build affordable water filtration technology effective enough to remove all harmful contaminants in the poorest regions.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=942
We haven't found a way to make solar panel efficiency high enough to make small residential installations fully cost-competitive everywhere.
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Technology & Computing
Solar panel efficiency has improved significantly, but in regions with less sunlight or higher installation costs, achieving full cost competitiveness with traditional energy remains inconsistent. Closing this gap universally remains an unresolved technical and economic challenge.
Team Humans Club. (2026). Problem WS00943: We haven't found a way to make solar panel efficiency high enough to make small residential installations fully cost-competitive everywhere.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=943
We don't have a scalable way to build affordable, reliable off-grid power systems for remote communities without existing infrastructure.
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Technology & Computing
Many remote communities still lack consistent access to electricity because building traditional grid infrastructure to reach them is prohibitively expensive. Affordable, reliable off-grid alternatives remain incompletely developed and deployed at scale.
Team Humans Club. (2026). Problem WS00944: We don't have a scalable way to build affordable, reliable off-grid power systems for remote communities without existing infrastructure.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=944
We can't yet build affordable, portable medical diagnostic devices accurate enough for use in extremely resource-limited clinics.
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Technology & Computing
Advanced diagnostic technology often requires expensive, bulky equipment that isn't practical for small clinics in remote or under-resourced areas. Miniaturizing and lowering the cost of this technology without sacrificing accuracy remains an unresolved challenge.
Team Humans Club. (2026). Problem WS00945: We can't yet build affordable, portable medical diagnostic devices accurate enough for use in extremely resource-limited clinics.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=945
We haven't solved how to make electric vehicle battery production less dependent on environmentally destructive mining practices.
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Technology & Computing
Extracting the metals needed for electric vehicle batteries often involves environmentally damaging mining practices, undermining some of the environmental benefits electric vehicles are meant to provide. Finding cleaner extraction or alternative materials remains an unresolved sustainability challenge.
Team Humans Club. (2026). Problem WS00946: We haven't solved how to make electric vehicle battery production less dependent on environmentally destructive mining practices.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=946
We don't have a reliable way to make voice recognition technology work equally well for people with speech impairments.
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Technology & Computing
Voice recognition systems are typically trained on standard speech patterns, making them significantly less accurate for people with speech impairments or unusual speech patterns. Closing this accessibility gap remains an underaddressed technical challenge.
Team Humans Club. (2026). Problem WS00947: We don't have a reliable way to make voice recognition technology work equally well for people with speech impairments.. World Solve. Retrieved 20 Jul 2026, from https://worldsolve.org/index.php?id=947