
If I hack my microwave oven so that it runs with the door off, would this be dangerous?
I did this with a colleague when we were training technicians on microwaves back in the 90s. The unit was 800 watt which was standard back then and…

At what point would a spaceship leaving our solar system become free of it and no longer be a part of the solar systems gravity? Would this effectively increase the speed of the spaceship allowing it to get to another solar system quicker?
The sun’s pull thins as you go. At the heliopause, about 11 billion miles out, the solar wind gives way to what lies between stars — Voyager 1…

If Andromeda is the closest galaxy to us, why have we not started exploring it yet?
A lot of people have already given a sufficient answer but I really like talking about the scale of the Universe. Let me give you some comparisons so…

Why is the Washington Monument built to be 555 feet and 5 inches (555’ 05”) tall? Was it intentional or just a coincidence with all the fives?
Not only is the Washington Monument 555 feet 5 inches tall, it is also 55 feet wide at its base. That’s even more fives! But the reason for…

What is the math behind the Leaning Tower of Pisa?
The math is simple. It is a fight between two forces: the tower’s weight and the ground it stands on. The tower has a center of gravity. This is…