Summary of the strengths and weaknesses of experimental designs A Level exam tips Answering exam questions (PSYA1 AQA A specification) Questions about types of experiments tend to be 1 or 2 mark questions that require you to: Identify the type of experiment in an example; Give 1 strength and 1 weakness of that type of experiment
Amazonâs wand is basically Dash 2.0. Like the companyâs first bar-code scanner, which was limited to Amazon Fresh customers, the 6-inch stick has a rubberized loop at the top for hanging purposes, but this time around itâs also magnetic.
TechCrunch has called Echo âa personal assistant in a tube.â Gizmodo called it âa talking, listening piece of electronic furniture.â The Verge simply refers to Echo as âa crazy speaker that talks to you.â. The Amazon Echo is an always-on, voice-controlled hub.mazon just announced the â Echo .â This slim, tower-like device can be controlled with your voice. But what exactly does it do? Check out the video above from Amazon to see how this cool device can make your home smarter, cooler, and more connected.