Good news for actors, eavesdroppers and bat researchers. Emkay of Burgess
Hill in West Sussex claims to have developed the world’s smallest
broadcast-quality microphone. A pressure sensor and field-effect transistor
amplifier are packed into a 2.5-millimetre cylinder. It is easily hidden in an
actor’s hair, or could be used as a bug. The mike also records ultrasound, from
bats, for example.
More from New ¾«¶«´«Ã½
Explore the latest news, articles and features
Mathematics
Mathematical AI helps researchers crack 50-year-old problem
News
Mathematics
Start-ups are racing to revolutionise mathematics with AI
News
Health
3D-printed lymph nodes could widen access to CAR T-cell therapy
News
Environment
'The book is in the future, but everything is seeded from our present'
Culture
Popular articles
Trending New ¾«¶«´«Ã½ articles
1
Embryos made without sperm or eggs reveal why many pregnancies fail
2
Does gravity create reality? A shocking path to a theory of everything
3
New ¾«¶«´«Ã½ recommends Turi King's expert book about DNA's secrets
4
Earliest use of anaesthetics uncovered in Chinese doctor’s tomb
5
First quantum grandfather clock could probe where gravity comes from
6
'The book is in the future, but everything is seeded from our present'
7
Mathematicians stunned by AI's biggest breakthrough in mathematics yet
8
Photos reveal unexpected details from the world's first atomic test
9
PCOS has been officially renamed PMOS, and it’s a momentous move
10
Earth from Above author returns with astonishing freshwater images
