A CPJ Example (and fruit-flies on Titan)

Is this why you should do a CPJ? The link is a nice interview too. the bulk of the 7 years of the project was the flies sitting in their environment slowly getting used to new conditions. I kept the flies for a year under a Titan analog orange light before testing for adaptation. modelled… Continue reading A CPJ Example (and fruit-flies on Titan)

Aka 10KHz, Humans as single pixel cameras

There are single-pixel cameras, that trade time (a series of patterns are projected, and the reflected brightness recorded) for pixels (it's just brightness: single pixel). We can see the original object if the brightness/pattern is played back ... fast enough. Cf. ~16Hz rate of motion pictures ("flicker fusion"). Picture of Einstein in the pdf. Why… Continue reading Aka 10KHz, Humans as single pixel cameras

3D Print Almost Graphene

Seems to be "cured" graphene oxide, but a technique for 3D Printing To create these complex structures, Hensleigh started with graphene oxide, a precursor to graphene, crosslinking the sheets to form a porous hydrogel. Breaking the graphene oxide hydrogel with ultrasound and adding light-sensitive acrylate polymers, Hensleigh could use projection micro-stereolithography

Artificial Mangrove

Math, modeling, water tanks, to figure out how mangrove roots work to resist storms. Via eurekalert.org. mangrove root systems even have the ability to dissipate tidal energy through unique hydrological flows and divert the energy of water ... robust network of roots that can withstand extreme environmental conditions. modeled the complex mangrove roots as a… Continue reading Artificial Mangrove

particles + water + pressure

Liquification of bulk cargo can sink ships: granular materials loaded directly into a ship’s hold – can suddenly turn from a solid state into a liquid state... Solid bulk cargoes are typically “two-phase” materials as they contain water between the solid particles. As everyone knows, liquification happens during earthquakes A lot is known about the… Continue reading particles + water + pressure

RFID Circuit Bending

LiveTag (via slashdot) new smart tags that harness reflected Wi-Fi signals ... copper foil printed onto lightweight paper-like material ... had to experiment with many different combinations of shapes, sizes, and materials for the LiveTags and run all those combinations through computer simulations. ... the smart tags only work within a three-foot range of Wi-Fi… Continue reading RFID Circuit Bending

DIY Metamaterials from Origami

In the paper Origami - inspired Cellular Metamaterial with Anisotropic Multistability we create a family of origami-inspired cellular metamaterials which can be programmed to have various stability characteristics and mechanical responses in three independent orthogonal directions. ... Our study provides a platform to design programmable three-dimensional metamaterials significantly broadening the application envelope of origami. Metamaterials… Continue reading DIY Metamaterials from Origami

Not Just Your Parent’s DNA

In https://m.phys.org/news/2018-07-species-genes-driven-evolution.html They have found that cross-species transfers, even between plants and animals, have occurred frequently throughout evolution. I've wondered about this a lot in the past, known it happens with bacteria (via viruses and plasmid weirdness), and now I know it happens (somehow) more universally. How does this affect "dna aging clocks"? What are… Continue reading Not Just Your Parent’s DNA

Its Own Sensor: Side Effects

Via boingboing: The very clever Electron Plumber figured all this out and built an LED "candle" that goes out when you blow on it, using the LED itself as a sensor that detects voltage drops (caused by cool air, caused by blowing) Realizing a side effect can be exploited is cool. In various incarnations of… Continue reading Its Own Sensor: Side Effects