Gallium arsenide is one of the best materials for solar cells, in theory. But it’s been expensive to make. Startup Alta Devices is pursuing ways to make it cheaper. In this video, one of its founders, Caltech professor Harry Atwater, explains its strategy for making solar cells that are far more efficient than the today’s solar cells, yet also inexpensive.
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.
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