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MichaelK's user avatar
MichaelK's user avatar
MichaelK's user avatar
MichaelK
  • Member for 8 years, 8 months
  • Last seen this week
32 votes

Could a steam-age civilization trial-and-error their way to a nuclear reactor if they had access to enough fissile material?

31 votes
Accepted

What are the main problems with beaming light from the Sun to Saturn?

31 votes

Most useful knowledge from the 30's to understand current state of computers & networking?

31 votes

Using depleted uranium ammunition in handheld guns?

31 votes

What would an asteroid base look like and how would it operate?

30 votes
Accepted

What would iron-age tools and weapons be like if they were redesigned with modern metallurgy?

30 votes

Airliner takes off from JFK in 1966, gets stuck in time warp and lands in London in 2016

30 votes
Accepted

Creating a meteorite by throwing a stone

29 votes
Accepted

Effective way to identify people in medieval fantasy setting

29 votes

What could prevent a sentient species from going to space?

28 votes
Accepted

How to heat a windmill ? (Mechanical to thermal energy conversion)

28 votes

How would the (US or world) economy recover if healthcare became unnecessary?

28 votes

How believable are "X-ray sights"?

27 votes

Rationale for sending manned mission to another star?

27 votes
Accepted

Which inorganic tool can never work when 3D printed?

26 votes
Accepted

Vegan Warfare: Could we reach modern levels of weapons technology?

25 votes
Accepted

Cryogenic grenades in medieval time

25 votes

How much could a time traveler earn from selling 2016 tech having traveled back to 2000?

25 votes

Conventional weapon design to counter specific magical weaponry

25 votes

How to make nuclear fireworks?

25 votes

How to build a fail-safe system for an engine that can harness energy from a Black Hole?

25 votes
Accepted

Can I light a fireplace with space logs?

25 votes
Accepted

Could a large radio telescope survive interstellar spaceflight?

24 votes

Why might manufacturers not build androids to look like humans?

24 votes
Accepted

How would nuclear fallout affect the oceans?

23 votes
Accepted

What might an angel's knapsack look like?

23 votes
Accepted

Would a 'silk road' type caravan butcher and prepare livestock en route?

23 votes

Noah's flood actually happened. When does science prove that it happened?

22 votes

Would cultured meat (artificial) render animal slaughter illegal?

22 votes
Accepted

What are alternative particles to photons that would allow vision?

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