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Mouse brain visualized by light sheet microscopy
Nature Methods (2022) doi: 10.1038/s41592-022-01468-5
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An amazing little Fruit Fly of the Family Tephritidae with incredibly realistic ants on it´s wings. They look as though they are biting onto the abdomen of the fly. This fly was only about 3 mm long, but even from a distance, it looks like ants are feeding on the fly.
@science
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Robotics contest will build a biomimetic robot based on winning entry

More and more, we're finding that by copying nature, we can develop technologies that are capable of performing previously impossible functions. A new contest encourages that kind of thinking, by inviting ideas for nature-inspired robots … and the winning entry will actually be made into a robot.
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An Artificial Retina aiming to restore sight for people with damaged retinas.

This medical implant is suitable for people who have damaged photoreceptors (cones and rods) but otherwise a functioning retina, as is the case for many patients suffering from retinitis pigmentosa or advanced dry AMD.

The implant will be inserted subretinally, where photoreceptors are located in a healthy retina. The artificial retina acts as a substitute for the damaged photoreceptors by converting light into a signal the brain can interpret.

This artificial retina is standalone and self-powered by ambient light, using photovoltaic effect: it does not require external power sources or glasses-mounted camera.
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New type of 3D printing uses sound waves to build up objects

3D printing typically involves depositing layers of molten plastic, laser-melting powdered metal, or using UV light to harden gelatinous resin. A new technique takes yet another approach, however, by utilizing sound waves.
In the current version of the technique, a transducer is used to send focused pulses of ultrasound through the sides of a chamber, into liquid polydimethylsiloxane (PDMS) resin contained within. Doing so produces ultrasonic fields, which cause rapidly oscillating microscopic bubbles to temporarily form at specific points in the resin.

As those bubbles oscillate, the temperature inside them rises to about 15,000 degrees Kelvin (14,727 ºF or 26,540 ºF) and the pressure within them climbs to over 1,000 bar (14,504 psi). Although this sudden increase in temperature and pressure only lasts for picoseconds (trillionths of a second), it causes the resin to solidify at the exact location of the bubble.

- @science -
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When facing a potential threat, the hawk moth caterpillar takes the form of a pit viper

Funny nature on @science
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Forwarded from Gadget and device News 🗞️
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Opening a pizzeria could soon be as simple as leasing a small business space, then sticking a robot in there. That's the idea behind the Pizzaiola system, which takes human cooks and other kitchen staff out of the equation.

@science & tech
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Forwarded from Gadget
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R2D2 sounds
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