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The pet projects Elon Musk, Jeff Bezos and other billionaires spend their fortunes on – from space travel to immortality

If you had a spare US$1 billion or US$100 billion, what would you spend your money on? These men could have anything in the world, but they want more as they push the boundaries of health, science and infrastructure

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This image provided by Nasa shows the SpaceX Dragon cargo craft just prior to being released by the International Space Station's Canadarm2 robotic arm in 2012. Photo: AP/Nasa
Simon O'Reilly

Billionaires have the money to make things happen. The ultra rich individuals on this list for the most part have two main subjects on their mind: space travel and immortality. Almost all the ideas appear to be for the benefit of mankind.

While the ideas seem impossible or crazy, the CEO of a tech or major telecoms company can afford the best minds and talent around to make their dreams a reality. Here’s a list of well-known billionaires and their pet projects.

Suborbital space travel

The Stratolaunch aircraft rolls out of its hangar for the first time in California in 2017. Photo: EPA/Stratolaunch Systems
The Stratolaunch aircraft rolls out of its hangar for the first time in California in 2017. Photo: EPA/Stratolaunch Systems

Stratolaunch

Whose idea is it? Paul Allen, co-founder of Microsoft. Estimated net worth US$20.2 billion.

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