A back-of-envelope evaluation of national tax rates and freedom levels

Last month I spoke with Vanessa Williamson of the Brookings Institution, who made the case for high taxes so governments ...

4 Tests to Measure Your Agility at Any Age

The ability to move with speed, precision and power is important for longevity. Here’s how to gauge it and how to improve.
IEEE

Simultaneous Measurement of Early-Stage Corrosion and Strain Levels in Steel Rebar Based on Graphene Oxide-Coated NCF-FBG Fiber-Optic Sensor

Abstract: Rebar corrosion significantly reduces the lifespan of reinforced concrete (RC) structures. The value of rebar strain, especially for some key structural components, indicates the safety ...
The Guardian

A tape measure, a metal detector and a spirit level: 25 surprisingly useful things you can do with your phone

While many use our phones predominantly to doomscroll, smartphones have a range of little-known functions that could make life better and easier – from heart monitoring to even developing camera film ...
The New York Times

Trump Takes America’s ‘Imperial Presidency’ to a New Level

In his first year back in the White House, President Trump has greatly expanded executive power while embracing the trappings of royalty in ways not seen in the modern era. By Peter Baker Peter Baker, ...
IEEE

Continuous-type liquid Level Measurement System using pulsating sensor

Abstract: A high resolution liquid level monitoring device using pulsating sensor based instrument is presented. The technique involves precise measurement of hydrostatic pressure exerted by the ...