Why is it difficult to swat flies with your bare hands? Are flies more sensitive than mosquitoes?

A fly takes off vertically and then flies horizontally. The former is a bit like a bounce, usually fast on all four legs (think of a flea), but flying horizontally is much slower on its wings alone.

We need to know the fly's path and follow it.

Let's start with a fly takeoff study,

Here's a quick shot of the fly in the research paper:

Shooting parameters: 3000 FPS exposure time 330μs, take one shot every 1ms

If we use the plane as our reference, the fly takes off like this

We can see that the fly's actual flight path looks something like this

That's what it looks like to make a diagram

In this case, we can get a general idea of how the fly takes off.

Now that we know how to take off, the next step is how technology can stop flies.

If you want to intercept from above?

As shown in the figure below

So, in fact, it's very difficult, because it's so short, so you can't intercept it, which is why swatting flies from above is actually very difficult to kill.

So what's the right way to swat a fly?

That's the horizontal path of a fly after vertical takeoff!!

In fact, when you intercept a fly in the horizontal direction of takeoff, it actually increases the processing time for you, and the fly is in the acceleration phase of its wing, so you can intercept the fly in the horizontal direction.

Here is an example:

As you can see, the best way to catch flies is to intercept them from the side.

Of course, if you want to improve your fly catching success rate, timing can also be taken into account.

Flies are insects and naturally poikilotherms, so their movements are greatly influenced by temperature. At low temperatures, its activity decreases.

Therefore, flies are most likely to be killed in the morning before the temperature rises or in the afternoon and evening when the temperature drops.

In a word, the world's martial arts only fast not broken, only hand familiar. The key to success is execution. Summer is here, so get to work.

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