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Stanford researchers develop 3D printed heart tissue using stem cells
- Scientists at Stanford University have developed a 3D printing technique to print living heart tissue, with the goal of creating crucial pieces of the heart like valves and ventricles that can grow with the patient.
- Bioprinting, a process that uses living cells to create organ-like structures, can take years to print one cell at a time. Stanford scientists speed up the process by printing clusters of thousands of cells called organoids.
- 1 in 100 children in the US are born with heart defects, and although they can receive transplants, the body can reject them 20-30 years later. Bioprinting organs using a patient's own cells could reduce these cases.
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MIT engineers develop ultrathin transistor tech for super dense computer chips
- MIT engineers have developed a new technology that could revolutionize the way semiconductor chips are made, making them more powerful and dense.
- The technology uses ultrathin 2D materials to create semiconductor transistors, allowing them to be stacked more densely to make more powerful chips.
- The new method developed by MIT researchers can "effectively and efficiently 'grow' layers of 2D transition metal dichalcogenide (TMD) materials directly on top of a fully fabricated silicon chip", which significantly reduces the time taken to grow the materials and is better suited for use in commercial applications.
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Researchers develop electronic tattoo to diagnose and monitor heart disease
- Researchers at the University of Texas at Austin have developed a wireless and mobile electronic tattoo that monitors the heart's electrical and mechanical activity.
- The e-tattoo, made with 3D- and circuit-printing technologies, can mold to the wearer's chest and measures heart rate, rhythm, blood pressure, and stress levels, among others.
- The device is lightweight, running on a small battery that can last more than 40 hours, and streams real-time data wirelessly to a Bluetooth-enabled device.
- The e-tattoo's noninvasive and mobile monitoring has many advantages, including earlier detection of heart disease and prevention of up to 80% of heart conditions, says Nanshu Lu, corresponding author of the study.
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Scientists invented an edible battery made of almonds
- Italian scientists have developed an edible battery that could pave the way for powering ingestible medical devices without requiring surgical intervention for removal.
- The edible battery is made from basic materials found in almonds and capers, making it easily digestible by the body.
- The core electrodes of the edible battery are riboflavin and quercetin, both commonly found in food supplements.
- The battery could also be used to power digestible food quality monitors and soft robots in the future, as per the scientists' published paper in Advanced Materials.
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Minis
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This sensor attached to Cricket Bat could revolutionize batting techniques
- Str8bat, a small sensor that attaches to the back of a cricket bat, has the potential to revolutionize batting and has secured investment from Cricket Australia.
- IPL franchise Rajasthan Royals have been using data from the sensor for their squad, including English cricketers Jos Buttler and Joe Root and Australian leg-spinner Adam Zampa.
- Gagan Daga, inventor and co-founder of Str8bat, believes the sensor device can greatly enhance cricket performance and techniques.
- The sensor and app allow batters to record & download data on a range of batting metrics, including ball middle frequency, bat swing speed, impact speed, bat lift angle, and more.
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World's first babies conceived using a sperm injecting robot have been born
- The world's first babies conceived with the help of a sperm-injecting robot have been born in New York City. The procedure resulted in the birth of 2 healthy baby girls.
- A team of engineers from Barcelona, Spain, used a robotic needle to inject sperm cells into eggs at the New Hope Fertility Center.
- Overture Life, the startup company that developed the robot, said its device is an initial step toward automating IVF.
- The procedure could significantly reduce the cost of in vitro fertilization (IVF), which is currently a lengthy, labour-intensive, and expensive process that requires trained embryologists to handle eggs and sperm using ultra-thin hollow needles under a microscope.
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Parrots can video-call each other on tablets and smartphones, according to a new study
- A new study conducted by Northeastern University, MIT, and the University of Glasgow has found that teaching parrots to video-call each other on tablets and smartphones could improve their behavior and well-being in domestic settings.
- The researchers observed a group of domesticated birds that were taught how to use Facebook Messenger to video-call one another over a three-month period.
- The study found that the birds initiated calls freely, formed strong preferences, and seemed to understand that they were communicating with real fellow parrots on the other end.
- Caretakers overwhelmingly reported that their birds learning new skills from their video friends, including foraging, new vocalizations, and flying.
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Minis
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Scientists make a 'major discovery' that could slow down the ageing process
- Researchers from the University of Cologne discover that gene transcription becomes faster and less precise with age, potentially leading to disease.
- The team also found that previous studies on ageing only focused on differential gene expression, ignoring the changes in the transcription process itself.
- Insights from the study could ultimately help reverse or stop age-related decline by understanding transcription and gene activation.
- The "machine" responsible for making the transcription copy of gene sequences is called Pol II, and accelerated transcription due to ageing causes it to make more mistakes, leading to bad copies and potential disease.
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Minis
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World’s first solid-state speakers may transform earbuds
- xMEMS Labs introduces the world’s first solid-state speakers that use micro-electrical mechanical systems (MEMS) to micro-spray sound into ears, a major shift from the traditional coil and magnet-powered speakers.
- The Cowell, Montara Plus, and Skyline DynamicVent are the world’s smallest solid-state micro speaker, world’s highest output, and have vents for advanced adaptive noise-canceling respectively, providing a better sound experience.
- xMEMS speakers are 40% smaller than traditional drivers, 90% lighter, and more durable due to no moving parts, supporting high-res audio and audiophile specs.
- Company announces shipment of new speaker components with pro-level audio technology.
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Surat students develop robot that can walk like a human and pull a rickshaw
- Four students from Surat make waves in the tech industry with their innovative robot that can walk like a human and pull a rickshaw, created in just 25 days and at a cost of Rs. 30,000.
- The students conducted an in-depth study of human legs and walking patterns to design the robot, which has successfully undergone road tests and is intended for use in various fields.
- The prototype robot is not yet complete, with work remaining on its leg, hand, head, and face, but the students are optimistic about its potential.
- This achievement highlights the potential of robotics to positively impact the world, and the creativity and skill of young students in India's tech industry.
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Minis
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How typing and mouse clicks can detect your stress level
- Swiss researchers find that typing and mouse clicks can better indicate stress levels than heart rates.
- The study involved 90 participants who performed office tasks, and the researchers recorded their mouse and keyboard behaviour along with their heart rates.
- Neuromotor noise theory explains the link between stress and keyboard and mouse behaviour.
- The researchers are testing their model using data from Swiss employees to help workers identify stress early.
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Minis
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11 teams to represent India at NASA Rover Challenge 2023
- 11 Indian teams, including three high school groups, set to compete at NASA Rover Challenge 2023 against 61 others worldwide.
- Teams to design, develop, build, and test human-powered rovers for challenging terrain at NASA Human Exploration Rover Challenge.
- Vellore Institute of Technology, Chennai is one of the team to participate in the competition for the first time with team name MOVIS inspired by Indian civil engineer Mokshagundam Visvesvaraya.
- NASA Rover Challenge 2023 to be held from April 20-22 at the American agency's space & rocket centre in Huntsville, Alabama.
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Minis
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CEO who spends $2 million annually to maintain 18-year-old body reveals his fitness device
- Bryan Johnson, 45-year-old CEO & tech billionaire who gained notoriety for spending millions to reverse his age, has revealed his latest fitness device that allows him to do the equivalent of “20,000 sit-ups” in 30 minutes.
- Johnson claims to have reduced his epigenetic age by 5.1 years through his health regimen and vegan diet, which is part of his "Project Blueprint."
- He spent millions of dollars developing an anti-ageing protocol and closely monitors his vitals with the help of ultrasounds, MRIs, colonoscopies and blood tests.
- Johnson's "Project Blueprint" aims to prove that self-harm and decay are not inevitable, and offers a range of products and services related to health and wellness.
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MIT researchers test over 1,000 Oreos to search for perfect method
- Crystal Owens, a PhD candidate in MIT have conducted a study of over 1,000 Oreos to determine the best way to eat the cookie.
- The study examined the equal distribution of the Oreo's creme when the cookie is broken apart.
- The team used a rheometer device to test the cookies, and discovered that nearly 80% of the creme sticks to only one side of the wafer.
- They also developed a simpler version of the rheometer, called the "Oremeter," which people can 3D print themselves to use on their own cookies.
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