Hennes's user avatar
Hennes's user avatar
Hennes's user avatar
Hennes
  • Member for 11 years, 1 month
  • Last seen more than a week ago
22 votes

A water pipe from sea level to beyond the atmosphere

8 votes
Accepted

Military-grade U-235 uses

5 votes

If an event happens 10 light years away and we observe it here, did it actually happen 10 years ago?

3 votes

What is the unit of time on the Voyager Golden Record?

2 votes
Accepted

What is the sensation by man carrying a water bucker with an object floating in it?

2 votes

The Kelvin-Celsius problem

1 vote

How to make the mixed water warmer?

1 vote

Superheavy... "Stars" production of super heavy elements w/o solar fusion

1 vote

Speed of an object in air versus in vacuum

0 votes

In nuclear fusion reaction, what is the percentage of mass converted to energy?

0 votes

Color of a substance

0 votes

Speed of Magnetic Signal over Large Distance