Solar panels have a lifespan of 25–30 years — their energy payback period is only 1–4 years.

Iceland runs almost entirely on geothermal and hydroelectric energy — it is one of the greenest countries on Earth.

The Panama Canal uses a system of locks to lift ships.

Iceland recycles nearly 100% of its energy from geothermal and hydroelectric sources.

The first programmable electronic general-purpose computer, ENIAC, weighed 27 tons and consumed 150 kilowatts of power.

The credit card simplified cashless transactions.

The average person spends about 2 weeks of their life waiting at red lights.

Electric cars predate gasoline-powered cars — electric vehicles were common in the early 1900s before oil became dominant.

The computer transformed information processing.