1956IBM Model 350 Hard Drive

5MB!2000 lbs

$3,000/month

Just like Moore’s Law

1980 20101990 2000

Time

GBs exponentially

$/GB

Just like Moore’s Law

1980 20101990 2000

$1,000,000

$1,000

$1

Time

exponentially

Trillions of tiny magnets

50 nm

100nm

tinyelectromagnet

7200 rpm

Flying at 10 m/s

2 nm

Electromagnet

Hard Disk

Ground

600 mph

50 nm

Next technology =Heat-Assisted Magnetic Recording

Scientific American Not so scientific

20 nm

laser beam

200 nm

10,000 nm

diffractionlimit

1 Bit

My research:focus light to 20 nm for $1

20 nm

laser beam

200 nm

10,000 nm

diffractionlimit

1 Bit

λ = 800 nmLight

Antennas(really tiny ones)

Most efficient antenna?

commercial in 2 – 3 years