World Solve

Addressing homework load remaining heavy is critical for achieving the 2030 Agenda. Current efforts fall short in scale, speed and equity, leaving the most vulnerable behind. Any viable solution must function in low-resource settings with limited specialists, transport, laboratory capacity and broadband. Proposals should specify quantifiable biological, social or environmental outcomes, openly discuss potential risks, and present a realistic pathway for long-term maintenance and local ownership beyond short research pilots.

Timepieces that run backward under measured social tension undermine scheduling and legal timekeeping. The problem is addressing psychological load without destabilising shared temporal reference.

Pavements that remember and respond to historical load patterns can create uneven safety conditions. The problem is designing surfaces that remain predictably safe for all users regardless of prior traffic.

Localised gravity fluctuations caused by energy or structural load management can injure residents and damage property. The challenge is designing buildings and occupancy rules that prevent such failures or make them predictable and survivable without requiring constant monitoring.

Aggressive scraping bots, including those collecting data to train AI models, can overload smaller websites not built to handle that volume of automated traffic. Balancing open web access with protection against this kind of strain remains unresolved.

Current radioisotope thermoelectric generators rely on scarce Pu-238, limiting mission frequency and payload capacity. Developing miniaturized, high-efficiency nuclear or alternative power sources is vital for continuous outer-planet exploration.

Transit times to Mars and the outer planets require months to years of flight, increasing risk and cost. Breakthrough high-thrust, high-Isp propulsion systems—such as nuclear thermal or plasma engines—are critical.

Robotic planetary landers are restricted by payload weight and power, making complex lab chemistry difficult on site. Micro-fluidic lab-on-a-chip biosensors are required to analyze Martian or icy moon soil in-situ.

Rigid aeroshells are constrained by rocket fairing diameters, limiting landed mass to around 1-2 metric tons. Deployable or inflatable aerodynamic decelerators are needed to land heavy human habitats safely.

Solar-powered stratospheric drones designed for continuous Earth observation fail to survive long winter nights due to payload weight. Breakthrough high energy-density batteries and ultra-light solar wings are needed.

Primary mirrors for space telescopes cannot exceed launch vehicle dimensions without complex, failure-prone mechanical folding. Dynamic fluidic mirrors and membrane optics created in orbit offer a promising alternative.

Frequent regional power shortages cut off electricity to rural operating rooms and ICU units without automatic solar-battery fail-safes.

High student debt loads are pushing back decisions like buying a home or starting a family for many young adults. Rebalancing the cost of education against its long-term benefits remains a persistent economic problem.

Despite decades of robotics research, folding laundry or loading a dishwasher remains far harder for robots than tasks like chess or driving. Everyday physical tasks turn out to be a much harder problem than expected.

Create predictive maintenance and equipment-upgrade strategies for overloaded local grids serving growing cities and newly electrified rural areas.

Design safe, legal, affordable electricity systems where overloaded wiring, theft, insecure tenure, and weak utility trust create chronic fire and outage risks.

Create reliable hybrid energy systems for isolated sites with high, variable loads where diesel remains entrenched because outages are extremely costly.

Current approaches to self-healing structural composites for marine cyclic loading either underperform under variable field conditions or generate externalities that undermine long-term sustainability and equity. Closing the gap requires coordinated advances in science, systems design and enabling institutions.