BBC

How to show the area of a parallelogram is base × height

WHAT YOU NEED: ruler, scissors, pencil, piece of card. Image caption, STEP 1: Use the ruler and pencil to draw a diagonal line from the bottom left corner of the card to any point on the top edge of ...
Veritasium on MSNOpinion

The Mathematical Theorem Everyone Accepts but No One Can Prove

Mathematicians have long relied on a theorem that appears undeniably true, yet every attempt to formally prove it collapses.
Hosted on MSN

'They Use Expensive Printing Machines': Trump Discredits Himself When He Tries To Prove The Existence Of 'Paid Anarchists'

During a roundtable discussion on Antifa several week ago ago, Donald Trump tried to prove that protestors in cities like Portland are "well-funded" and "paid anarchists." Bizarrely, he believes ...
BBC

How to show the formula for the area of a trapezium

WHAT YOU NEED: A ruler, pens, scissors and paper. Image caption, STEP 1 - TRAPEZIUM x 2: On a rectangular piece of paper, use a ruler to draw two angled lines from the bottom corners to make a ...
IEEE

An 85-to-105 GHz Vector Modulator Phase Shifter Using. Optimized Passive Devices with 0.93dB/3.5° RMS Gain/Phase Error in 0.13-μm SiGe BiCMOS

Abstract: This paper presents a W-band broadband vector-modulator phase shifter (VMPS) employing an optimized passive on-chip device including an in-phase/quadrature (I/Q) signal generator and a ...