Posts about Science

The Doppler Effect: Mysterious wavelengths

17.11.2022

Zzzzzzzzzzp! Flash! There you go! A spiteful and cowardly camouflaged radar trap has lashed out at you once again, and another costly and questionably handsome snapshot is on its way into your post box. Fuming traffic offenders are said to have clandestinely returned to the place of crime to take revenge – fortified by a bunch of best-friends’ hercules’s and in order to punish the wicked contraption out of its wits. Ignoring, that there’s sure to be another invincible clone around the next corner. Instead of adding up on the offence front, avoiding speeding and/or respecting red traffic lights may actually do the trick fairly well and entail far less trouble: It allows short tempers to lie dormant just a little longer and lends bank statements a so much more encouraging appearance. Similar to police records …

Read article

TED Talk: Making ears from apples

TED Talk. Andrew Pelling: Making ears from apples

7.11.2020

„My lab is not in the ear-making business. What I’m really curious about is if one day it will be possible to repair, rebuild and augment our own bodies with stuff we make in the kitchen,” says Andrew Pelling who leads a university-based biological research lab. Usually, he likes to rummage through garbage and often digs up discarded hardware he first dismantles and then reassembles into something completely new. Could that also work with a biological system? Creating human ears from apples may be far-fetched, but seems feasible: the lab removed apple cells and DNA and implanted human cells instead. The result was a cellulose scaffold with a structure that could be carved into a human ear!

Read article