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'Alexa, call my lawyer!' Are you legally liable if someone makes a purchase using your virtual assistant?

If you have voice shopping activated on your voice assistant, anyone in your home could potentially purchase items in your name.

Originally published in The Conversation.

Should cyber officials be required to tell victims of cyber crimes they've been hacked?

In Germany this week, the legal limbo that defines cyberspace around the world was on full display.

The country’s Federal Office for IT Safety (BSI for its German initials) had been tracking a cyber attack targeting some of the country’s parliamentarians since early December. It ultimately led to the public release of mobile phone numbers, credit card information and ID card details of hundreds of members of parliament, and other public figures.

Originally published in The Conversation.

How the right lighting could save the Mona Lisa

Lighting causes damage to paintings over time. Juan Di Nella/Unsplash

Next time you’re in a museum or art gallery, observe each painting a little more closely. You may notice cracks on the surface of the canvas, especially if the painting is very old.

Originally published in The Conversation.

How to take better photos with your smartphone, thanks to computational photography

A light-trails long exposure of London's Tower Bridge, shot on iPhone8Plus using the NightCap app. Rob Layton, Author provided

Each time you snap a photo with your smartphone – depending on the make and model – it may perform The Conversation.

Holographic teachers were supposed to be part of our future. What happened?

Mixed reality can enhance teaching in ways not possible with pen and paper, or even virtual reality. Shutterstock

Cast your mind back to the turn of last century.

Originally published in The Conversation.

Five life lessons from your immune system

Are you exhausted? Your immune cells might be too.

Originally published in The Conversation.

Message sent, received but no instant reply: how does that make you feel?

You wait and wait but still no reply. Shutterstock/Alex Ruhl

Your phone chimes, it’s a message from your partner. You reply instantly because that’s what you always do.

Then you decide to add another message: “By the way, I love you ☺”

Originally published in The Conversation.

250 years after Captain Cook's arrival, we still can't be sure how many Māori lived in Aotearoa at the time

Captain James Cook sailed the Endeavour off New Zealand's east coast in 1769. from Wikimedia Commons, CC BY-ND

Two hundred and fifty years ago this year, James Cook’s ship the Endeavou

Originally published in The Conversation.

Why archaeology is so much more than just digging

The Port Arthur historic site is beautiful today – but its isolation would have been overwhelming for former convict inhabitants.

Originally published in The Conversation.

Look up! Your guide to some of the best meteor showers for 2019

The 2018 Geminids meteor shower recorded over two very cold hours on the slope of Mount Lütispitz, Switzerland. Flickr/Lukas Schlagenhauf, CC BY-ND

The year gets off

Originally published in The Conversation.