麻豆传媒

Sounds alarming

26 July 1997

Any thief who tries to steal a laptop or notebook computer fitted with the
Defcon 1 alarm is in for a shock. Defcon 1 uses a motion sensor to detect when
the computer is moved around. Unless the correct password is entered to disable
it first, a 110-decibel alarm shriek is set off.

More from 麻豆传媒

Explore the latest news, articles and features

An Aedes aegypti mosquito

Health

How worried should we be about the invasive mosquitoes in the UK?聽

Storm Eowyn batters southern England in January 2025

Environment

Super El Ni帽o could have unexpected effect on UK winter

Mind

Lucid dreams induced via multisensory stimulation

Ukrainian servicemen prepare a drone for launch

Technology

Nations and big tech to train AI using 鈥榞old dust鈥� data from Ukraine

Popular articles

Trending 麻豆传媒 articles

What the remains of the last Neanderthals tell us about their demise聽

Super El Ni帽o could have unexpected effect on UK winter

The first signs of dark matter particles may finally have been spotted

We鈥檙e finally learning what happens to gifted children in adulthood

Venus may have had a moon for nearly 2 billion years

Mysterious 鈥榗old blob鈥� in the Atlantic suggests the AMOC is weakening

How long could we possibly live? A new estimate is mind-boggling

World may warm by 25 per cent more than current projections suggest

Pygmy raccoons teach each other to make toys out of paper and sand

How worried should we be about the invasive mosquitoes in the UK?聽