"Whitney's death bath": a morbid curiosity

Long may such freedom of speech continue.

Billy Bob Thornton's latest directorial outing, Jayne Mansfield's Car, arrives at a suitable time. While we are morbidly fascinated with the death of Whitney Houston in a bathtub in Los Angeles at the weekend, it's worth remembering that this is nothing new: ghoulish interest in the very private death of a very public figure has always been around.

The morbid curiosity the Sun has with "WHITNEY'S DEATH BATH", to the extent of showing a photo of the bath on its front cover, is not a whole world away from the story of the Buick in which Mansfield was scalped and killed in 1967. "SEE JAYNE MANSFIELD'S DEATH CAR", urged the signs at fairgrounds across middle America. The bloodstains and brain matter had been cleared away, and the vehicle had been restored from the wreck it became that fateful night, but people still paid a dollar or so to go and see the car that claimed three lives, including a Hollywood icon.

I doubt the bathtub at room 434 at the Beverley Hills Hilton hotel will tour the world, attracting morbid onlookers the way the Mansfield wreck did. But the scramble to get a photo of the bath where Whitney drowned says something about how we can't let go of celebrities, even when they're dead; especially when they're dead.

Almost before the price of Whitney's back catalogue was quietly marked up in anticipation of the post-mortem spike in sales, the public wanted pictures. Sadly, this time there were no photos available of a naked Houston receiving CPR or a lifeless arm dangling out from under a blanket, so we had to make do with photos of a bathtub. Not a very interesting or exceptional bathtub, but a bathtub where someone famous died, and so a bathtub which has instantly become the most famous in the world.

The image of the bathtub, which appeared first in the Sun in this country and which has of course been shared around the world, is a curious thing in itself. It's a badly taken photo, blurred and badly framed, maybe snatched with a camera phone by someone who was there at the time, or who managed to squeeze their way into the suite on the night the singer died. It's just an overhead view of a bathtub with some water in it and a hairbrush sitting by the side: a meaningless, empty image of nothing.

There's a part of me that hopes this is all some colossal stunt, that it's just a photo of an ordinary bath and someone has somehow convinced the world's press that it's the particular bath where Whitney died. Imagine that, if an ordinary bath could appear on the front page of a newspaper, or be pored over by millions of people around the world, and that we're all just peering at some non-entity's hairbrush and bathwater, as opposed to that of a now-dead and now-very-much-more-marketable celebrity.

It's a time when our tabloid newspapers are trying to convince us that they are vital, that they are the lifeblood of our free speech, the cornerstone of our democracy, a set of people who should be placed above the law for the way in which they challenge authority and enlighten us about what's really going on -- and they're fighting each other to get photos of a dead woman's bathtub, to speculate about what it was that killed her, to gleefully announce in giant letters that someone is "on suicide watch" as a result of the tragedy.

I don't see much democracy, or authority being challenged: I just see a pack of jackals tearing over the corpse of a dead woman. And fine, that's free speech, and long may it continue: long may we have the right to want to read about dead people, be they Jayne Mansfield or Whitney Houston, seeing as it's what we appear to prefer to real political debate. And maybe tomorrow, or the day after tomorrow, we will see dozens and dozens of public-interest exclusives falling down like rain, proving me wrong.

In the meantime, who wants to buy a ticket to see Whitney Houston's death bath?

Patrolling the murkier waters of the mainstream media
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Inside Big Ben: why the world’s most famous clock will soon lose its bong

Every now and then, even the most famous of clocks need a bit of care.

London is soon going to lose one of its most familiar sounds when the world-famous Big Ben falls silent for repairs. The “bonging” chimes that have marked the passing of time for Londoners since 1859 will fall silent for months beginning in 2017 as part of a three-year £29m conservation project.

Of course, “Big Ben” is the nickname of the Great Bell and the bell itself is not in bad shape – even though it does have a huge crack in it.

The bell weighs nearly 14 tonnes and it cracked in 1859 when it was first bonged with a hammer that was way too heavy.

The crack was never repaired. Instead the bell was rotated one eighth of a turn and a lighter (200kg) hammer was installed. The cracked bell has a characteristic sound which we have all grown to love.

Big Ben strikes. UK Parliament.

Instead, it is the Elizabeth Tower (1859) and the clock mechanism (1854), designed by Denison and Airy, that need attention.

Any building or machine needs regular maintenance – we paint our doors and windows when they need it and we repair or replace our cars quite routinely. It is convenient to choose a day when we’re out of the house to paint the doors, or when we don’t need the car to repair the brakes. But a clock just doesn’t stop – especially not a clock as iconic as the Great Clock at the Palace of Westminster.

Repairs to the tower are long overdue. There is corrosion damage to the cast iron roof and to the belfry structure which keeps the bells in place. There is water damage to the masonry and condensation problems will be addressed, too. There are plumbing and electrical works to be done for a lift to be installed in one of the ventilation shafts, toilet facilities and the fitting of low-energy lighting.

Marvel of engineering

The clock mechanism itself is remarkable. In its 162-year history it has only had one major breakdown. In 1976 the speed regulator for the chimes broke and the mechanism sped up to destruction. The resulting damage took months to repair.

The weights that drive the clock are, like the bells and hammers, unimaginably huge. The “drive train” that keeps the pendulum swinging and that turns the hands is driven by a weight of about 100kg. Two other weights that ring the bells are each over a tonne. If any of these weights falls out of control (as in the 1976 incident), they could do a lot of damage.

The pendulum suspension spring is especially critical because it holds up the huge pendulum bob which weighs 321kg. The swinging pendulum releases the “escapement” every two seconds which then turns the hands on the clock’s four faces. If you look very closely, you will see that the minute hand doesn’t move smoothly but it sits still most of the time, only moving on each tick by 1.5cm.

The pendulum swings back and forth 21,600 times a day. That’s nearly 8m times a year, bending the pendulum spring. Like any metal, it has the potential to suffer from fatigue. The pendulum needs to be lifted out of the clock so that the spring can be closely inspected.

The clock derives its remarkable accuracy in part from the temperature compensation which is built into the construction of the pendulum. This was yet another of John Harrison’s genius ideas (you probably know him from longitude fame). He came up with the solution of using metals of differing temperature expansion coefficient so that the pendulum doesn’t change in length as the temperature changes with the seasons.

In the Westminster clock, the pendulum shaft is made of concentric tubes of steel and zinc. A similar construction is described for the clock in Trinity College Cambridge and near perfect temperature compensation can be achieved. But zinc is a ductile metal and the tube deforms with time under the heavy load of the 321kg pendulum bob. This “creeping” will cause the temperature compensation to jam up and become less effective.

So stopping the clock will also be a good opportunity to dismantle the pendulum completely and to check that the zinc tube is sliding freely. This in itself is a few days' work.

What makes it tick

But the truly clever bit of this clock is the escapement. All clocks have one - it’s what makes the clock tick, quite literally. Denison developed his new gravity escapement especially for the Westminster clock. It decouples the driving force of the falling weight from the periodic force that maintains the motion of the pendulum. To this day, the best tower clocks in England use the gravity escapement leading to remarkable accuracy – better even than that of your quartz crystal wrist watch.

In Denison’s gravity escapement, the “tick” is the impact of the “legs” of the escapement colliding with hardened steel seats. Each collision causes microscopic damage which, accumulated over millions of collisions per year, causes wear and tear affecting the accuracy of the clock. It is impossible to inspect the escapement without stopping the clock. Part of the maintenance proposed during this stoppage is a thorough overhaul of the escapement and the other workings of the clock.

The Westminster clock is a remarkable icon for London and for England. For more than 150 years it has reminded us of each hour, tirelessly. That’s what I love about clocks – they seem to carry on without a fuss. But every now and then even the most famous of clocks need a bit of care. After this period of pampering, “Big Ben” ought to be set for another 100 or so years of trouble-free running.

The Conversation

Hugh Hunt is a Reader in Engineering Dynamics and Vibration at the University of Cambridge.

This article was originally published on The Conversation. Read the original article.