Hit the wall if you don't slow down? The cockroach said that this is a routine operation.
Hit the wall if you don't slow down? The cockroach said that this is a routine operation.
Cockroach high-speed photography to meet you again. (why send such a thing on the first day of the Lunar New year?)

cockroach high-speed photography meets with you again. What we are going to see today is a slow-motion picture of a cockroach hitting the wall.

people who have confronted cockroaches know that these insects run so fast that they can drill cracks and climb walls, as if they always disappear in an instant in a corner that you can't reach. When this happens in front of you, the details are hard to see, and under high-speed photography, we can carefully observe how fast-running cockroaches react to an oncoming wall.

the cockroach (Periplaneta Americana) in the picture above bumped into it as if without hesitation. From a human point of view, if you want to surmount an obstacle, you should always adjust your posture and pace before bumping into it. Cockroaches, however, chose the opposite: 80% of the cockroaches recorded by the researchers hit the wall at full speed, and only a few adjusted their posture before climbing the wall.

researchers think this may be the right choice for cockroaches. These insects are light enough and have a strong exoskeleton protection that does not slow down and hit the wall without causing injury. And observations show that hitting the wall directly does not slow the cockroach's climb to the wall and keeps it at high speed for longer, which is good for escape.

and the researchers who observe cockroaches say the cockroach's choice is an inspiration for the design of small robots. If the robot wants to respond to obstacles in advance, it needs more complex sensors and programs, and if it moves very fast, it is even more challenging to the technology. In fact, small robots can also change their way of thinking and adopt the cockroach's wall-climbing strategy: it doesn't matter if they hit an obstacle directly, as long as they don't break it and can continue to move.

they also made a small crawling machine by imitating cockroaches, which didn't add any sensors that could identify the wall. but it can also run straight up the wall (but it doesn't seem to be able to climb):

by the way, cockroaches can move at speeds of up to 1 meter per second. I think it's better to give cockroach medicine to deal with.

Source: https://www.nytimes.com/2018/02/13/science/cockroaches-crash-robots.html?smid=tw-nytimesscience&smtyp=cur


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