exploration & invention
How are Braille and military service connected?
3 minutes
From Zealand to New Zealand, or How far can opportunism lead?
3 minutes
What were the milestones for William Colgate, a freshly built businessman in New York?
6 minutes
What should you think about before doing some work mainly or exclusively for financial benefits?
7 minutes
What makes awards so context-dependent, and why was his controversial?
2 minutes
A bike was once the latest innovation. How did people like it?
2 minutes
When did Louis Braille defeat darkness?
8 minutes