The weight of light: how gravity is illuminating sub-Saharan Africa

What is a major challenge faced by people living off-grid?

• Lack of transportation

• High cost of energy

• Access to clean water

• Limited internet access

What is the primary biomass used for lighting in off-grid areas?

• Natural gas

• Kerosene

• Coal

• Wood

What innovative concept is discussed for storing energy?

• Solar panels

• Wind turbines

• Hydroelectric dams

• Raised weight mechanism

What issue did the design iterations aim to solve?

• Excessive noise

• Knots and tangles in the system

• Complex user interface

• High production cost

What problem occurred when children interacted with the gravity-powered LED light?

• It was too heavy to lift

• It consumed too much energy

• It broke the gearbox

• It emitted too much light

Why is it important to understand user interaction with the product?

• To reduce manufacturing costs

• To improve marketing strategies

• To ensure product durability

• To increase product size

What is the ultimate goal of the lighting solution discussed?

• To increase energy consumption

• To promote urbanization

• To improve children's access to study

• To reduce global warming