High-profile projects such as the desert solar initiative Desertec and various air taxi developments attracted millions in investment but ultimately fell short, underscoring the risks tied to emerging technologies.

Experts point out that misjudging market demand and financial viability is common in tech innovation. But they argue that setbacks often fuel future success, reshaping investment strategies and seeding technological advances.

This video summary was created by AI from the original DW script. It was edited by a journalist before publication.