'My legs are bent backwards - amputation is my only option'

Megan Dixon, 21, from Cambridgeshire, has endured constant, unbearable pain for eight years after her legs locked completely ...

The physics of how Olympic weightlifters exploit barbell’s “whip”

He also has friends who compete at the national level in Olympic weight-lifting events. “They told me how they use the whip,” ...
The Purdue Exponent

Woman to undergo amputation after legs bend upwards

A young woman will have both her legs surgically amputated after they bent at a 45-degree angle upward. Megan Dixon, 21, has ...

My legs are locked straight and bending backwards – amputation is my only option after docs dismissed pain for 8 years

A YOUNG woman has told how she has been forced to have both her legs surgically amputated after they bent at a 45 degree ...
Electronic Design

Modeling on Mondays: SPICE Modeling of Common Active Devices—An Overview (Part 1)

A variety of linear models are available to represent common active electronic devices such as transistors and vacuum tubes. Devices operating under large-signal conditions often require nonlinear ...
The Guardian

Trump’s latest border wall plans to slice through Big Bend national park: ‘Our lives are being upended’

The rural Texas region, long spared, is being fast-tracked for the border wall amid bipartisan opposition Tractors suddenly appeared at the entrance to Chispa Road near the US-Mexico border in rural ...
The Fabricator

Sheet metal folding basics: how bend radius and angle really form

In the sheet metal bending world, metal folding suffers from a host of misconceptions and plenty of confusion. How does a folder form its radius and bend angle, exactly? And what are some basic ...