55delta

Visiting the DRAO

By 55delta, August 18, 2018 in The Lounge

Kerbal Astronomy

By 55delta, January 31, 2018 in KSP1 Discussion

• ksp
• astronomy
• (and 1 more)

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A proposal to change the definition of a planet 1 2 3

By 55delta, February 22, 2017 in Science & Spaceflight

• planet
• pluto

A build of a portable acoustic tractor beam

By 55delta, January 3, 2017 in The Lounge

• electronics
• diy

Can energy be converted into matter?

By 55delta, August 30, 2016 in Science & Spaceflight

The case for an economy in space 1 2 3 4 8

By 55delta, July 24, 2015 in Science & Spaceflight

An idea: hitting an asteroid...with an asteroid 1 2

By 55delta, January 30, 2016 in Science & Spaceflight

Stuntman wants to jump Detroit River in homemade rocket

By 55delta, January 31, 2015 in The Lounge