{"id":293179,"date":"2025-04-29T11:04:21","date_gmt":"2025-04-29T11:04:21","guid":{"rendered":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/04\/29\/a-light-powered-pacemaker-gets-hearts-pumping\/"},"modified":"2025-04-29T11:04:21","modified_gmt":"2025-04-29T11:04:21","slug":"a-light-powered-pacemaker-gets-hearts-pumping","status":"publish","type":"post","link":"https:\/\/news.talkwithrattan.com\/index.php\/2025\/04\/29\/a-light-powered-pacemaker-gets-hearts-pumping\/","title":{"rendered":"A light-powered pacemaker gets hearts pumping"},"content":{"rendered":"<div style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.snexplores.org\/wp-content\/uploads\/2025\/04\/1440_Pengju_Li_profile_feat-800x450.jpg?ssl=1\" class=\"attachment-post-thumbnail size-post-thumbnail wp-post-image\" alt=\"A light-powered pacemaker gets hearts pumping\" title=\"A light-powered pacemaker gets hearts pumping\" \/><\/div>\n<div>\n<p><strong>algorithm<\/strong>: A group of rules or procedures for solving a problem in a series of steps. Algorithms are used in mathematics and in computer programs for figuring out solutions.<\/p>\n<p><strong>artificial intelligence<\/strong>: A type of knowledge-based decision-making exhibited by machines or computers. The term also refers to the field of study in which scientists try to create machines or computer software capable of intelligent behavior.<\/p>\n<p><strong>biology<\/strong>: The study of living things. The scientists who study them are known as biologists.<\/p>\n<p><strong>blood vessel<\/strong>: A tubular structure that carries blood through the tissues and organs.<\/p>\n<p><strong>catheter<\/strong>: A thin tube used to drain a fluid from inside the body. Often made of flexible material, catheters can be either inserted temporarily or installed for a longer interval. Some of the most commonly used types are used to drain urine from the bladder, where the fluid is normally stored until urination.\u00a0<\/p>\n<p><strong>chemical<\/strong>: A substance formed from two or more atoms that unite (bond) in a fixed proportion and structure. For example, water is a chemical made when two hydrogen atoms bond to one oxygen atom. Its chemical formula is H<sub>2<\/sub>O. Chemical also can be an adjective to describe properties of materials that are the result of various reactions between different compounds.<\/p>\n<p><strong>chemistry<\/strong>: The field of science that deals with the composition, structure and properties of substances and how they interact. Scientists use this knowledge to study unfamiliar substances, to reproduce large quantities of useful substances or to design and create new and useful substances. (about compounds) Chemistry also is used as a term to refer to the recipe of a compound, the way it\u2019s produced or some of its properties. People who work in this field are known as chemists. (in social science) A term for the ability of people to cooperate, get along and enjoy each other\u2019s company.<\/p>\n<p><strong>clinical<\/strong>: (in medicine) A term that refers to diagnoses, treatments or experiments involving people.<\/p>\n<p><strong>current<\/strong>: A fluid\u00a0\u2014 such as of water or air \u2014 that moves in a recognizable direction. (in electricity) The flow of electricity or the amount of charge moving through some material over a particular period of time.<\/p>\n<p><strong>data<\/strong>: Facts and\/or statistics collected together for analysis but not necessarily organized in a way that gives them meaning. For digital information (the type stored by computers), those data typically are numbers stored in a binary code, portrayed as strings of zeros and ones.<\/p>\n<p><strong>develop<\/strong>: To emerge or to make come into being, either naturally or through human intervention, such as by manufacturing.<\/p>\n<p><strong>disorder<\/strong>: (in medicine) A condition where the body does not work appropriately, leading to what might be viewed as an illness. This term can sometimes be used interchangeably with disease.<\/p>\n<p><strong>electrode<\/strong>: A device that conducts electricity and is used to make contact with the non-metal part of an electrical circuit, or that contacts something through which an electrical signal moves. (in electronics) Part of a semiconductor device (such as a transistor) that either releases or collects electrons (negative charges) or holes (positive charges) \u2014 or that can control their movement.<\/p>\n<p><strong>engineer<\/strong>: A person who uses science and math to solve problems. As a verb, to engineer means to design a device, material or process that will solve some problem or unmet need.<\/p>\n<p><strong>engineering<\/strong>: The field of research that uses math and science to solve practical problems. Someone who works in this field is known as an engineer.<\/p>\n<p><strong>field<\/strong>: An area of study, as in: <em>Her field of research is biology<\/em>. Also a term to describe a real-world environment in which some research is conducted, such as at sea, in a forest, on a mountaintop or on a city street. It is the opposite of an artificial setting, such as a research laboratory. (in physics) A region in space where certain physical effects operate, such as magnetism (created by a magnetic field), gravity (by a gravitational field), mass (by a Higgs field) or electricity (by an electrical field).<\/p>\n<p><strong>focus<\/strong>: (in behavior) To look or concentrate intently on some particular point or thing.<\/p>\n<p><strong>implant<\/strong>: A device manufactured to replace a missing biological structure, to support a damaged biological structure, or to enhance an existing biological structure. Examples include artificial hips, knees and teeth; pacemakers; and the insulin pumps used to treat diabetes.\u00a0Or some device installed surgically into an animal\u2019s body to collect information on the individual (such as its temperature, blood pressure or activity cycle).<\/p>\n<p><strong>incision<\/strong>: (v. to incise) A cut with some blade-like object or marking that has been cut into some material. Surgeons, for instance, use scalpels to make incisions through the skin and muscle to reach internal organs.<\/p>\n<p><strong>internship<\/strong>: A training program where students learn advanced professional skills by working alongside experts. People who participate in these training programs are called interns. Some intern in medicine, others in the sciences, journalism or business.<\/p>\n<p><strong>invasive<\/strong>: An adjective that refers to something that can invade some environment (such as an invasive species) or alter some environment (such as invasive medical procedures).<\/p>\n<p><strong>materials science<\/strong>: The study of how the atomic and molecular structure of a material is related to its overall properties. Materials scientists can design new materials or analyze existing ones. Their analyses of a material\u2019s overall properties (such as density, strength and melting point) can help engineers and other researchers select materials that are best suited to a new application.\u00a0<\/p>\n<p><strong>membrane<\/strong>: A barrier which blocks the passage (or flow through) of some materials depending on their size or other features. Membranes are an integral part of filtration systems. Many serve that same function as the outer covering of cells or organs of a body.<\/p>\n<p><strong>metal<\/strong>: Something that conducts electricity well, tends to be shiny (reflective) and is malleable (meaning it can be reshaped with heat and not too much force or pressure).<\/p>\n<p><strong>muscle<\/strong>: A type of tissue used to produce movement by contracting its cells, known as muscle fibers. Muscle is rich in protein, which is why predatory species seek prey containing lots of this tissue.<\/p>\n<p><strong>pacemaker<\/strong>: A small medical device implanted in the body to help control abnormal heart rhythms. This device sends an electrical signal. It stimulates the heart to beat at a regular and healthy rate.<\/p>\n<p><strong>risk<\/strong>: The chance or mathematical likelihood that some bad thing might happen. For instance, exposure to radiation poses a risk of cancer. Or the hazard \u2014 or peril \u2014 itself. (For instance: <em>Among cancer risks that the people faced were radiation and drinking water tainted with arsenic<\/em>.)<\/p>\n<p><strong>robot<\/strong>: A machine that can sense its environment, process information and respond with specific actions. Some robots can act without any human input, while others are guided by a human.<\/p>\n<p><strong>rodent<\/strong>: A mammal of the order Rodentia, a group that includes mice, rats, squirrels, guinea pigs, hamsters and porcupines.<\/p>\n<p><strong>semiconductor<\/strong>: A material that sometimes conducts electricity. Semiconductors are important parts of computer chips and certain electronic technologies, such as light-emitting diodes.<\/p>\n<p><strong>silicon<\/strong>: A nonmetal, semiconducting element used in making electronic circuits. Pure silicon exists in a shiny, dark-gray crystalline form and as a shapeless powder.<\/p>\n<p><strong>Singapore<\/strong>: An island nation located just off the tip of Malaysia in southeast Asia. Formerly an English colony, it became an independent nation in 1965. Its roughly 55 islands (the largest is Singapore) comprise some 687 square kilometers (265 square miles) of land, and are home to more than 5.3 million people.<\/p>\n<p><strong>system<\/strong>: A network of parts that together work to achieve some function. For instance, the blood, vessels and heart are primary components of the human body&#8217;s circulatory system. Similarly, trains, platforms, tracks, roadway signals and overpasses are among the potential components of a nation&#8217;s railway system. System can even be applied to the processes or ideas that are part of some method or ordered set of procedures for getting a task done.<\/p>\n<p><strong>tedious<\/strong>: (n. tedium) An adjective for something that is disturbingly slow, boring, monotonous and\/or repetitive.<\/p>\n<p><strong>tissue<\/strong>: Made of cells, it is any of the distinct types of materials that make up animals, plants or fungi. Cells within a tissue work as a unit to perform a particular function in living organisms. Different organs of the human body, for instance, often are made from many different types of tissues.<\/p>\n<p><strong>tool<\/strong>: An object that a person or other animal makes or obtains and then uses to carry out some purpose such as reaching food, defending itself or grooming.<\/p>\n<p><strong>undergrad<\/strong>: Short for undergraduate, which is a student at a two- or four-year college.<\/p>\n<p><strong>vein<\/strong>: (in zoology) Part of a body\u2019s circulation system. These tubes usually carry blood toward the heart. (in botany) The tubular system made up of xylem and phloem cells that a plant uses to transport materials (water and sugars, for instance) throughout its structures above- and below-ground. (in geology) A mineral or ore deposit in rock that typically runs a long distance and may contain enough material to be worth extracting, such as a silver vein.<\/p>\n<\/p><\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.snexplores.org\/article\/engineer-light-pacemaker-bioelectronics\">Source link <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>algorithm: A group of rules or procedures for solving a problem in a series of steps. Algorithms are used in mathematics and in computer programs for figuring out solutions. artificial intelligence: A type of knowledge-based decision-making exhibited by machines or computers. The term also refers to the field of study in which scientists try to [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":293180,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"tdm_status":"","tdm_grid_status":"","fifu_image_url":"https:\/\/www.snexplores.org\/wp-content\/uploads\/2025\/04\/1440_Pengju_Li_profile_feat-800x450.jpg","fifu_image_alt":"","footnotes":""},"categories":[606],"tags":[19397,228026,83463,228027],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/293179"}],"collection":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/comments?post=293179"}],"version-history":[{"count":1,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/293179\/revisions"}],"predecessor-version":[{"id":293181,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/posts\/293179\/revisions\/293181"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media\/293180"}],"wp:attachment":[{"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/media?parent=293179"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/categories?post=293179"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/news.talkwithrattan.com\/index.php\/wp-json\/wp\/v2\/tags?post=293179"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}