The towers used to relay calls to cell-phone users are sprouting everywhere. But the skyrocketing demand for cell phones and for wireless Internet access overwhelms the relay stations’ capacity as fast as companies can erect them. A radio-frequency transistor technology created by electrical engineer Jayant Baliga at North Carolina State University could help stem the tide by allowing towers to handle 10 times their current signal capacity.
Baliga says his new chip design will make the transistors used in relaying calls cheaper and smaller, and it will boost the power of the towers’ signal amplifiers as well. That should allow wireless stations to handle more calls at once, send data faster and help avoid the interference that occasionally results in users overhearing others’ conversations. Baliga has founded a company called Silicon Wireless in Raleigh, NC, to commercialize the technology and has received funding from Fairchild Semiconductor. The first chips using the transistors could be in cell towers by the end of the year.
This startup wants to copy you into an embryo for organ harvesting
With plans to create realistic synthetic embryos, grown in jars, Renewal Bio is on a journey to the horizon of science and ethics.
VR is as good as psychedelics at helping people reach transcendence
On key metrics, a VR experience elicited a response indistinguishable from subjects who took medium doses of LSD or magic mushrooms.
This nanoparticle could be the key to a universal covid vaccine
Ending the covid pandemic might well require a vaccine that protects against any new strains. Researchers may have found a strategy that will work.
This artist is dominating AI-generated art. And he’s not happy about it.
Greg Rutkowski is a more popular prompt than Picasso.
Get the latest updates from
MIT Technology Review
Discover special offers, top stories, upcoming events, and more.