A team of researchers in Houston are developing the next generation of miniaturized pulsed power systems — a technology that was key to the creation of x-ray machines, then MRI machines, and more.

University of Houston researchers led by Harish Krishnamoorthy, Cullen College assistant professor of electrical and computer engineering, are working to develop the next generation of miniaturized pulsed power systems. X-rays, MRIs, and similar technology are deeply intertwined with the nuclear age and the mid-20th century. Additionally, pulsed power systems have been used to create other military weapons, such as radar systems and rail guns.

The research is was published in IEEE Transactions on Industrial Electronics. In the paper, the researchers propose creating a mini-pulsed power system that can shrink the system’s energy storage components, such as capacitors, and deliver an immediate surge of power, a recent UH news release summarizes. According to the paper, energy storage can be reduced to less than one-tenth the size of what conventional pulsed power systems use.

“We’re essentially creating a small high-density energy storage machine that will help with reducing the space these machines use, which will save hundreds of thousands of dollars in material costs and improve their reliability,” Krishnamoorthy says.

Recently, the U.S. Department of Energy’s Advanced Research Projects Agency-Energy (ARPA-E) awarded the research team a $1 million grant to build their gallium nitride (GaN)-based miniaturized pulsed power system. The team will be conducting the project alongside scientists from Harvard University and Schlumberger, who are sub-recipients of the grant.

“Initially we’ll make a compact pulsed power supply for extreme environment fluid characterization that can disruptively reduce the cost of downhole well logging tools used in fossil and geothermal energy production. This will be followed by a miniaturized converter suitable for mobile hand-held MRI machines. However, we think that we can extend our technology to make small water-purification systems, pulsed laser systems and pulsed electro-magnetic radiation sources,” says Krishnamoorthy.

A Houston startup has launched its first tech tool to track hair loss using AI and machine learning.

MyHairCounts created a hair density imaging kit and app based on proprietary and patent-pending software. The kit includes a variety of items such as scalp imaging guides, a comb, and gel to help individuals photograph their hair follicles at specified angles. Users then upload these photographs into the app for analyses which are delivered within 48 hours. These analyses inform the user whether or not their hair regrowth treatment is effective.

“Checking your shower or bathroom sink is simply not an accurate way to see if you are losing hair, says Gordon Little, CEO of Awareable Technologies, the parent company of the product. “Anyone who is concerned about losing their hair needs accurate information to evaluate their hair regrowth treatment. Until now, tracking your hair density was impossible.”

Little founded the company in Houston 2017, and the team has grown to 20 people working remotely across the country. The analysis process is completed using AI and machine learning. In order to develop this automation, the web developers fed the system countless images of hair follicles so that it could measure and report on hair growth or loss. According to MyHairCounts, individuals only notice hair loss after hair density has decreased by 20 to 30 percent.

“This product really is unique,” says Kenny Robinson, CMO for MyHairCounts. “If you’re concerned about hair loss, this is the only way a consumer can know whether or not what they are doing is truly working.”

MyHairCounts Hair Density Imaging Kit is available on their website and on Amazon. Currently in the soft launch of their products, they are using this time to work closely with individuals and med spas to review and improve the product prior to their official launch. You can purchase the kit for yourself, but MyHairCounts also offers kits to hairdressers looking to better serve their clients.

Using the kit and the app, individuals or hair stylists can track their own or their clients' hair loss. Image via myhaircounts.com