A few days ago, the Science Museum in London, United Kingdom, is holding a grand exhibition of the history of the development of robots. Let's take a look at those robots that are of significance to human society and they are slowly changing the world. Inkha Robot Receptionist (2002) In 2002, Inkha was introduced as the first responsive reception robot. It was placed at the King's College in London, UK, where visitors can ask questions through the touch screen. Although Inkha now looks a bit shabby, not even a complete body, it can be a breakthrough by being able to express his expression and language through his eyes. ASIMO (2000) Honda’s ASIMO looks like a human in space suits and was mocked at the beginning of its existence. However, after several years of development, ASIMO has become the world's most famous reception robot, which can achieve stable and agile bipedal walking, climbing stairs and even using sign language to communicate with humans. The ultimate goal is to enter the family and become disabled and old people. Life assistant. iCub (2004) The iCub robot launched by the Italian Institute of Technology in 2004 is small and similar in size to children. It has a full set of limbs, torso and head, external integrated synthetic skin and touch sensor, can interact with humans; in addition it will be as toddler as toddler, designed to help developers explore the robot's learning ability.
Speakers are one of the most common output devices used with computer systems. Some speakers are designed to work
specifically with computers, while others can be hooked up to any type
of sound system. Regardless of their design, the purpose of speakers is
to produce audio output that can be heard by the listener.
Speakers are transducers that convert electromagnetic waves into sound waves. The speakers receive audio input from a device such as a computer or an audio receiver. This input may be either in analog or digital form. Analog speakers simply amplify the analog electromagnetic waves
into sound waves. Since sound waves are produced in analog form,
digital speakers must first convert the digital input to an analog
signal, then generate the sound waves.
The sound produced by speakers is defined by frequency and amplitude.
The frequency determines how high or low the pitch of the sound is. For
example, a soprano singer's voice produces high frequency sound waves,
while a bass guitar or kick drum generates sounds in the low frequency
range. A speaker system's ability to accurately reproduce sound
frequencies is a good indicator of how clear the audio will be. Many
speakers include multiple speaker cones for different frequency ranges,
which helps produce more accurate sounds for each range. Two-way
speakers typically have a tweeter and a mid-range speaker, while
three-way speakers have a tweeter, mid-range speaker, and subwoofer.
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: People have been obsessed with robots for centuries. From the initial wind-up toys to modern robots powered by electricity and artificial intelligence, it has been around for more than 500 years. Obviously, this is a great exploration process. In fact, people have been very close to the fantasy in science fiction movies. Robots have changed the way people live in many ways.